Scientist removes cell growth medium from a 6–well plate in preparation for a plaque assay, which is a test that… https://www.rawpixel.com/image/2282542/free-photo-image-laboratory-medicine-researchFree Image from public domain licenseScientist testing with coronavirus through test tubes. Original image sourced from US Government department: Public Health… https://www.rawpixel.com/image/2282535/free-photo-image-laboratory-science-bacteriaFree Image from public domain licenseOnboard Apollo 11, Eagle prior to descent to the moon. Original from NASA . Digitally enhanced by rawpixel. https://www.rawpixel.com/image/418656/eagle-prior-descentFree Image from public domain licenseTime-lapse photograph of the Cosmic Infrared Background Experiment (CIBER) rocket launch, taken from NASA's Wallops Flight… https://www.rawpixel.com/image/440182/the-cosmic-infrared-background-experimentFree Image from public domain licenseA map of the world on a globular projection : exhibiting particularly the nautical researches of Captain James Cook, F.R.S.… https://www.rawpixel.com/image/9685933/image-hand-art-spacesFree Image from public domain licenseAstronauts walking on Mars during a dust storm (1989) illustrated by NASA/Paul DiMare. Original public domain image from… https://www.rawpixel.com/image/10184742/image-astronaut-face-personFree Image from public domain licenseAs part of the new virtual engine research institute and fuels initiative (VERIFI), are looking at a number of parameters in… https://www.rawpixel.com/image/3322431/free-photo-image-fuel-engine-machineFree Image from public domain licenseScientist testing with virus through test tubes. Original image sourced from US Government department: Public Health Image… https://www.rawpixel.com/image/2282498/free-photo-image-science-laboratory-hospitalFree Image from public domain license"USS Bunker Hill (CV-17) hit by two Kamikazes in 30 seconds on 11 May 1945 off Kyushu. Dead-372. Wounded-264., 1943 - 1958"… https://www.rawpixel.com/image/8718235/photo-image-vintage-smoke-public-domainFree Image from public domain licenseUSNS Mercy Sailors Conduct an Interventional Radiology Study and Procedure on a Patient https://www.rawpixel.com/image/3393972/free-photo-image-covid-hospital-patientFree Image from public domain licenseTest Tubes from experimenting on coronavirus. Original image sourced from US Government department: Public Health Image… https://www.rawpixel.com/image/2282507/free-photo-image-science-vaccine-laboratoryFree Image from public domain licenseNASA/DLR Stratospheric Observatory for Infared Astronomy (SOFIA) 747SP cruises over central Texas on its first checkout… https://www.rawpixel.com/image/440724/commercial-airplaneFree Image from public domain licenseConstruction of the new NASA Ames Green Building dubbed Sustainability Base located on the Ames Research Center campus at… https://www.rawpixel.com/image/440765/solar-energyFree Image from public domain licenseOffshore Platforms Can Survive Sea Ice. Original public domain image from Flickr https://www.rawpixel.com/image/4042502/photo-image-background-light-oceanFree Image from public domain licenseA map of the world on a globular projection : exhibiting particularly the nautical researches of Captain James Cook, F.R.S.… https://www.rawpixel.com/image/9425490/image-hand-art-spacesFree Image from public domain licenseResearch team at Katmai National Park and Preserve,Alaska. Original public domain image from Flickr https://www.rawpixel.com/image/4031791/photo-image-flower-people-natureFree Image from public domain licenseA woman receiving an influenza vaccination at the Maternal and Child Hospital in Vientiane, Laos. Original image sourced… https://www.rawpixel.com/image/2282528/free-photo-image-vaccine-people-injectionFree Image from public domain licenseAloe from the Lady Bird Johnson Wildflower Center, part of the University of Texas at Austin. Original image from Carol M.… https://www.rawpixel.com/image/434244/aloeFree Image from public domain licenseThe International Space Station backdropped by Earth’s horizon and the blackness of space. Original from NASA .… https://www.rawpixel.com/image/418660/the-international-space-stationFree Image from public domain licenseWake Vortex Study at Wallops IslandThe air flow from the wing of this agricultural plane is made visible by a technique that… https://www.rawpixel.com/image/8718011/photo-image-smoke-planes-public-domainFree Image from public domain licenseThe recirculating electron accelerator seen inside Jefferson Lab’s Hall C located in Newport News, Va. For more… https://www.rawpixel.com/image/10994052/photo-image-person-mathematics-public-domainFree Image from public domain licenseThe U.S. Air Force's F-16D Automatic Collision Avoidance Technology (ACAT) aircraft cruises during a flight originating from… https://www.rawpixel.com/image/440776/the-us-air-forceFree Image from public domain licenseFrom research to community support, Oak Ridge National Laboratory enlists world-class science and staff in the fight against… https://www.rawpixel.com/image/3584196/free-photo-image-covid-virus-cc0Free Image from public domain licenseMurphy Oil offshore in the Gulf of Mexico. Original public domain image from Flickr https://www.rawpixel.com/image/4042504/photo-image-ocean-sea-waterFree Image from public domain licenseA lab technician checks a blood sample for malaria in Barawe, Somalia, on August 23, 2016. Original public domain image from… https://www.rawpixel.com/image/3372929/free-photo-image-laboratory-africa-baraweFree Image from public domain licenseCalifornia’s NASA Armstrong Flight Research Center captures a supermoon, a blue moon and a lunar eclipse at the same… https://www.rawpixel.com/image/418585/nasa-armstrong-flight-research-centerFree Image from public domain licenseSeptember 11th remembrance ceremony held in front of NASA Research Park Bldg-17. Original from NASA. Digitally enhanced by… https://www.rawpixel.com/image/440719/september-11th-remembrance-ceremonyFree Image from public domain licenseSeptember 11th remembrance ceremony. Original from NASA. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/440687/fire-truck-parked-the-grassFree Image from public domain licenseBeautiful skies prevailed on the evening of the Venus Transit when NASA Glenn brought telescopes to Edgewater Park on Lake… https://www.rawpixel.com/image/440495/telescope-silhouetteFree Image from public domain licenseFirewoman extinguishing trees in forest. Original image sourced from US Government department: Public Health Image Library… https://www.rawpixel.com/image/2282497/free-photo-image-firefighter-portrait-emergencyFree Image from public domain licenseArrival of the RRS Ernest Shackleton near Halley Research Station in Antarctica, January, 2013. Original from NASA.… https://www.rawpixel.com/image/440138/rrs-ernest-shackletonFree Image from public domain licenseNov 13, 2019 -- U.S. Department of Agriculture (USDA) Agricultural Research Service (ARS) Plum Island Animal Disease Center… https://www.rawpixel.com/image/3259605/free-photo-image-pattern-vaccine-researchFree Image from public domain licenseThe second free-flight test of an evolving series of X-38 prototypes took place July 10, 2001 when the X-38 was released… https://www.rawpixel.com/image/418582/x-38-prototypesFree Image from public domain licenseControl panel of nuclear research and facilities. Original public domain image from Flickr https://www.rawpixel.com/image/3322435/free-photo-image-public-domain-tech-buttonsFree Image from public domain licenseNASA's Stratospheric Observatory for Infrared Astronomy (SOFIA) was airborne for almost two hours during its first check… https://www.rawpixel.com/image/418592/nasas-sofiaFree Image from public domain licenseRussian Search and Rescue teams deploy by helicopter from Karaganda, Kazakhstan. Original from NASA . Digitally enhanced by… https://www.rawpixel.com/image/418639/military-helicopterFree Image from public domain licenseAn air-to-air view of the Convair NB-36H Peacemaker experimental aircraft (s/n 51-5712) and a Boeing B-50 Superfortress… https://www.rawpixel.com/image/8718534/photo-image-plant-plane-public-domainFree Image from public domain licenseAPS Beamline scientist fixing equipment. Argonne National Laboratory, December 3, 2020. Original public domain image from… https://www.rawpixel.com/image/8708739/photo-image-medicine-public-domain-covid-19Free Image from public domain licenseBookshelf in library, Rijksmuseum, Netherlands. Free public domain CC0 photo https://www.rawpixel.com/image/6035117/photo-image-book-light-public-domainFree Image from public domain licenseNASA'S SOFIA infrared observatory 747SP (front) and DC-8 flying laboratory (rear) housed at the Dryden Aircraft Operations… https://www.rawpixel.com/image/440009/nasas-sofiaFree Image from public domain licenseOperator's console for the "whole body counter" radiation detection device at EPA's Las Vegas National Environmental… https://www.rawpixel.com/image/8799576/photo-image-light-public-domain-personFree Image from public domain licenseMilkweed seed, Asclepias syriaca. Original public domain image from Flickr https://www.rawpixel.com/image/8752421/photo-image-plant-bees-public-domainFree Image from public domain licenseResearch team at Katmai National Park and Preserve,Alaska. Original public domain image from Flickr https://www.rawpixel.com/image/4031800/photo-image-flower-person-natureFree Image from public domain licenseStudents and Volunteers, BIO453L Field Trip to StenglUSA, TX, Bastrop Co.: Bastrop. Stengl Lost Pines Biological Station. https://www.rawpixel.com/image/8720098/photo-image-hand-public-domain-peopleFree Image from public domain licenseThese photograph shows the wide view of the rift in Larsen C from the vantage point of NASA’s DC-8 research aircraft. NASA… https://www.rawpixel.com/image/8718528/photo-image-airplane-public-domain-natureFree Image from public domain licenseCommunication satellite in a grassy field near the mountains. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3286939/free-photo-image-antenna-landscape-bushFree Image from public domain licenseWhole body counter at EPA's Las Vegas National Environmental Research Center, May 1972. Photographer: O'Rear, Charles.… https://www.rawpixel.com/image/8765523/photo-image-vintage-woman-personFree Image from public domain licenseTownsend's Warbler bird, wildlife. Original public domain image from Flickr https://www.rawpixel.com/image/8732326/photo-image-public-domain-bird-natureFree Image from public domain licenseCorteva Research Facility in Des Moines, Iowa. Original public domain image from Flickr https://www.rawpixel.com/image/4042454/photo-image-tree-plant-herbsFree Image from public domain licenseClark University student Christie Wood lowers a water sampler into a borehole on July 4, 2010. Original from NASA. Digitally… https://www.rawpixel.com/image/440626/water-sampler-into-boreholeFree Image from public domain licenseATK Solar Array Deployment Test at NASA Plum Brook Station Space Power Facility. Original from NASA. Digitally enhanced by… https://www.rawpixel.com/image/418590/atk-solar-array-deployment-testFree Image from public domain licenseAt EPA's National Environmental Research Center at Las Vegas, samples of food and water undergo constant testing for… https://www.rawpixel.com/image/8799407/photo-image-light-public-domain-travelFree Image from public domain licenseIrrigation on experimental farm operated by EPA's Las Vegas National Research Center, May 1972. Photographer: O'Rear… https://www.rawpixel.com/image/8799371/photo-image-vintage-light-public-domainFree Image from public domain licenseA person's hands using a microscope. Original public domain image from Flickr https://www.rawpixel.com/image/5803543/photo-image-public-domain-hand-personFree Image from public domain license