Vance I. Oyama holds a readout from the gas chromatograph in the life detection laboratory at NASA’s Ames Research Center in this picture from April 22, 1965. via NASA https://ift.tt/rPAyZOo

Spacewalkers Stephen Bowen and Sultan Alneyadi are pictured in their Extravehicular Mobility Units, or spacesuits, exiting the International Space Station’s Quest airlock and beginning a spacewalk. via NASA https://ift.tt/S1PEJVK

Popocatépetl, one of Mexico’s most active volcanoes, has been erupting since 2005. via NASA https://ift.tt/CLlKmgc

Curtis Flack (left) and Paul von Hardenberg inspect the ice formation on the spinner of an Advanced Air Mobility proprotor model tested in the Icing Research Tunnel at NASA’s Glenn Research Center in Cleveland. via NASA https://ift.tt/s8g90Ro

Miloslav Stašek, Ambassador of the Czech Republic to the United States (left), Foreign Affairs Minister for the Czech Republic, Jan Lipavský (second from left), NASA Administrator Bill Nelson (second from right), and Acting Assistant Secretary of State for Oceans and International Environmental and Scientific Affairs Jennifer R. Littlejohn (right), via NASA https://ift.tt/hbicQSe

This new image from NASA’s Hubble Space Telescope shows interacting galaxies known as AM 1214-255. via NASA https://ift.tt/kaCWbSy

Two neutron stars begin to merge in this illustration, blasting a jet of high-speed particles and producing a cloud of debris. via NASA https://ift.tt/B3ed1Ri

A menagerie of interesting astronomical finds are visible in this image from the NASA/ESA Hubble Space Telescope. via NASA https://ift.tt/MH1OIb2

The Cygnus space freighter is pictured moments after its release from the Canadarm2 robotic arm. via NASA https://ift.tt/GACtUDO

Former NASA Administrator Charlie Bolden speaks with local students during an Earth Day event, Thursday, April 20, 2023, at Union Station in Washington. via NASA https://ift.tt/WjY8cPu