From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

An ancient asteroid older than Earth itself has reignited debate over whether life began in space. NASA's Bennu discovery ...

Scientists discover 26 new bacterial species in NASA cleanrooms, revealing surprisingly resilient microbes with potential ...

When scientists pulled genetic material from a pair of naturally preserved bodies in the central Sahara, they expected to ...

If nonliving materials can produce rich, organized mixtures of organic molecules, then the traditional signs we use to ...

Scientists have discovered 26 new bacterial species that survived the extreme sterilization protocols of NASA cleanrooms ...

Scientists have discovered 26 previously unknown bacterial species living inside NASA’s ultra-sterile spacecraft assembly ...

A bumpy snailfish, Andean mouse opossum and ancient sea cow were just some of the many species described in 2025.

The backstory: The law began as Senate Bill 53, authored by state Sen. Scott Wiener, a Democrat from San Francisco, to ...

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...

Polling shows that nearly half of Americans now believe aliens have visited this planet—and that the number who aren't sure ...