Researchers caution that the molecules could be of abiotic or biological origin, and do not represent definitive proof of ...

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NASA's Curiosity rover made a compelling find on Mars ' irradiated surface.

NASA's Curiosity rover has identified the largest organic compounds ever found on Mars, including decane, undecane, and dodecane, in a 3.7 billion-year-old rock sample. These findings suggest Mars ...

The rock has hundreds of spherules on it, some of which have tiny pinholes. NASA's Perseverance rover has encountered another rock on Mars that has left scientists puzzled. Named "St. Pauls Bay ...

NASA websites no longer state that the Artemis 3 lunar mission will aim to land the first person of color and the first woman on the moon — a longstanding goal of the Artemis program that the ...

Ian Randall is Newsweek's Deputy Science Editor, based in Royston, U.K. His focus is reporting on science and health. He has covered archeology, geology, and physics extensively. Ian joined ...

WASHINGTON — Nearly 30 former NASA astronauts have signed a letter endorsing Jared Isaacman as the agency’s next administrator, calling on the Senate to consider his nomination as soon as ...

NASA's Perseverance rover landed on Mars in 2021 to search for signs of ancient microbial life and to help scientists ...

The International Space Station (ISS) where two NASA astronauts were stranded for nine months is so clean it's making crews sick, a new study suggests. Astronauts typically live on the orbiting ...

NASA astronaut Barry Wilmore is facing significant health challenges after a nine-month stint in space. Barry experiences severe muscle weakness and bone loss due to prolonged weightlessness.