NASA has quietly taken a major step toward crewed missions to Mars by selecting four people to live and work in a sealed, ...

CAPE CANAVERAL, Fla. — NASA’s Mars rover Perseverance has uncovered rocks in a dry river channel that may hold potential signs of ancient microscopic life, scientists reported Wednesday. They stressed ...

A long time ago, life left microscopic signatures on Mars — or did it? That's the question NASA scientists have worked for years to answer. On Wednesday, NASA researchers said the answer might be in a ...

The Gazette offers audio versions of articles using Instaread. Some words may be mispronounced. IOWA CITY — If scientists can prove evidence of life on Mars — now or at any point in the past — “that ...