For decades, many scientists have relied on the "hard steps" model to suggest that intelligent life is rare — the improbable ...

Scientists discover hydrogen in a rare meteorite, suggesting Earth had the ingredients to make water from the start.

signaling a vital convergence in research surrounding the Red Planet's mysterious past. "[Our research] tells us that the ...

Researchers may have found clues of possible ancient life beneath Mars' surface thanks to the Perseverance rover.

A team of astronomers announced on April 16, 2025, that in the process of studying a planet around another star, they had ...

"One of the longstanding mysteries in the study of Martian planetary evolution and habitability is: If large amounts of carbon dioxide were required to warm the planet and stabilize liquid water ...

Scientists have pondered why Mars seemed to be missing sufficient carbonates indicative of its warm, wet past. Now, NASA’s ...