The Gemini-12 spacecraft during standup extravehicular activity with the hatch open. Original from NASA. Digitally enhanced… https://www.rawpixel.com/image/418677/the-gemini-12-spacecraftFree Image from public domain licenseGeography: three types of globe. Coloured engraving by J. Pass, 1807. https://www.rawpixel.com/image/13963558/geography-three-types-globe-coloured-engraving-pass-1807Free Image from public domain license(Sally Ride) America's first woman astronaut communicates with ground controllers from the flight deck during the six day… https://www.rawpixel.com/image/8765680/photo-image-astronaut-vintage-spaceFree Image from public domain licenseFree light bulb isolated image, public domain electricity CC0 photo. https://www.rawpixel.com/image/5923905/photo-image-white-background-light-public-domainFree Image from public domain licenseNASA educational material: Discovery & New Frontiers Space Thrills Poster. Discover Program Poster (2006) illustrated by… https://www.rawpixel.com/image/10184909/image-galaxy-person-spaceFree Image from public domain licenseButterfly in family LycaenidaePublic Domain image by Christopher JohnsonPart of the "Insects Unlocked" ProjectUniversity of… https://www.rawpixel.com/image/8720178/photo-image-public-domain-bee-butterflyFree Image from public domain licenseAstronomy: a section through the earth, showing the atmosphere. Engraving. https://www.rawpixel.com/image/13966228/astronomy-section-through-the-earth-showing-the-atmosphere-engravingFree Image from public domain licenseLunar eclipse, moon and earth in starry sky photo, free public domain CC0 image. https://www.rawpixel.com/image/5920952/photo-image-moon-public-domain-starsFree 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 licensePolyergus montivagusPortrait of the face of a slave-raiding ant.USA IL Champaign Co.:Champaign A.L. Wild; specimen https://www.rawpixel.com/image/8720105/photo-image-public-domain-animalFree Image from public domain licenseAn Alaskan Inuit skull, showing the effects of syphilis. Photograph by Ales Hrdlicka, ca. 1910. https://www.rawpixel.com/image/13951380/photo-image-face-person-black-backgroundFree Image from public domain licenseLong-horned bee, male (Apidae, Svastra texana (Cresson))USA, TX, Travis Co.: AustinSteiner Ranch Trails, Bella MarJuniper… https://www.rawpixel.com/image/8720074/photo-image-public-domain-bee-yellowFree Image from public domain licenseChicxulub impact - artist impression (1994) painting by Donald E. Davis. Original public domain image from Wikipedia.… https://www.rawpixel.com/image/10540000/image-cloud-galaxy-moonFree Image from public domain licenseAstronomy: the Earth and the sun during summer in the Northern hemisphere. Coloured lithograph. https://www.rawpixel.com/image/13959063/image-paper-space-moonFree Image from public domain licenseFree starfish skeleton image, public domain animal CC0 photo. https://www.rawpixel.com/image/5901391/photo-image-white-background-public-domain-shadowFree Image from public domain licenseAdam Walker, a natural philosopher, performing scientific experiments. Coloured etching after J. Gillray, 1796. https://www.rawpixel.com/image/13951440/image-cartoon-face-personFree 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 licenseRussian support personnel arrive to help meet the Soyuz TMA-02M spacecraft shortly after the capsule landed. Original from… https://www.rawpixel.com/image/440756/spacecraft-projectFree 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 licenseShown is the reactor pool at the High Flux Isotope Reactor at the Oak Ridge National Laboratory. Original public domain… https://www.rawpixel.com/image/3322301/free-photo-image-laboratory-reactor-high-techFree Image from public domain licenseGigantiops destructor, workerPeru, Tambopata: Puerto MaldonadoA.L.Wild ALW5709 https://www.rawpixel.com/image/8720112/photo-image-face-public-domain-beeFree Image from public domain licenseMogadishu University students from the Faculty of Health in a laboratory session at the university in Somalia. AMISOM Photo… https://www.rawpixel.com/image/3373021/free-photo-image-science-lab-teenager-schoolFree Image from public domain licenseClocks: diagrams for setting-out the dial of a sextant []. Coloured engraving by J. Pass, [1809]. https://www.rawpixel.com/image/13964923/image-paper-space-artFree Image from public domain licenseCerro Tololo Observatory and star trails. Stars over the Cerro Tololo Inter-American Observatory in Chile uses the new Dark… https://www.rawpixel.com/image/3322327/free-photo-image-science-government-starry-skyFree Image from public domain licensePassage van Mercurius voor de zon, 1799 (1799) by Lambertus Nieuwenhuis, Lambertus Nieuwenhuis and Adriaan Pietersz Loosjes https://www.rawpixel.com/image/13731913/image-paper-space-moonFree Image from public domain licenseThe Soyuz 19 ASTP spacecraft by Paul Fjeld (1975) illustrated photo by NASA/Paul Fjeld. Original public domain image from… https://www.rawpixel.com/image/10184850/image-space-sky-cartoonFree Image from public domain licenseCow Killer — This close up of a Velvet Ant (which isn't really an ant, but a wasp) is feared by many due to the "Cow… https://www.rawpixel.com/image/4042569/photo-image-face-backgroundFree Image from public domain licenseA diagnostic kit for labeling a patient's own red blood cells has been developed at Brookhaven. Original public domain image… https://www.rawpixel.com/image/3322408/free-photo-image-laboratory-blood-medicineFree 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 licenseThis giant mosaic reveals Saturn's icy moon Rhea in her full, crater-scarred glory.This view consists of 21 clear-filter… https://www.rawpixel.com/image/8718029/photo-image-moon-space-public-domainFree Image from public domain licenseSamples of coal-derived graphene quantum dots that glow when exposed to light. https://www.rawpixel.com/image/3322315/free-photo-image-bio-biological-biologyFree 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 licenseAstronomy: a star map of the night sky. Coloured engraving by G. Zuliani after Castellan, with lettering by G. Pitteri, 1777. https://www.rawpixel.com/image/13952255/image-stars-paper-spaceFree 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 licenseSkull of a Caucasian person: three figures. Chromolithograph by H.J. Ruprecht, 1877. https://www.rawpixel.com/image/13961032/image-cartoon-face-personFree Image from public domain licenseAstronomy: a star map of the night sky. Coloured engraving by G. Zuliani after Castellan, with lettering by G. Pitteri, 1777. https://www.rawpixel.com/image/13953492/image-stars-person-spaceFree Image from public domain licenseGeography: a combination orrery and globe. Coloured engraving. https://www.rawpixel.com/image/13960814/geography-combination-orrery-and-globe-coloured-engravingFree Image from public domain licenseWhile attached on the end of the Canadarm2, Dextre, the Canadian Space Agency’s robotic “handyman”, is… https://www.rawpixel.com/image/440264/the-canadarm2-dextreFree Image from public domain licenseSnow-capped mountain with big moon in background. Free public domain CC0 photo. https://www.rawpixel.com/image/6034659/photo-image-moon-public-domain-mountainFree Image from public domain licenseA scientist holding a culture test plate. Original image sourced from US Government department: Public Health Image Library… https://www.rawpixel.com/image/2288623/free-photo-image-lab-medical-scienceFree Image from public domain licenseUltrasound screen monitor for medical science workshop in hospital. Original public domain image from Flickr https://www.rawpixel.com/image/5803545/photo-image-public-domain-schoolFree 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 licenseAstronomy: a star map of the night sky. Coloured engraving by G. Zuliani after Castellan, with lettering by G. Pitteri,1777. https://www.rawpixel.com/image/13964608/image-stars-art-patternFree Image from public domain licenseHydraulics: hydraulic equipment. Coloured engraving by J. Emslie, 1850, after himself. https://www.rawpixel.com/image/13965453/image-art-pattern-waterFree Image from public domain licenseSouthern Yellowjacket (Vespidae, Vespula squamosa)USA, TX, Travis Co.: AustinCrossing Place https://www.rawpixel.com/image/8719937/photo-image-public-domain-animalFree Image from public domain licenseElectricity: electro-static equipment. Coloured engraving, 1804, by J. Pass. https://www.rawpixel.com/image/13963630/electricity-electro-static-equipment-coloured-engraving-1804-passFree Image from public domain licensePneumatics: scientific equipment. Coloured engraving by J. Emslie, 1850, after himself. https://www.rawpixel.com/image/13951872/image-person-art-balloonsFree Image from public domain license