NASA’s Perseverance rover has reached a landmark achievement on the Red Planet, traveling the equivalent of a full marathon ...

NASA astronaut Anil Menon spoke with Newsweek's Leonardo Feldman about life in space, recently declassified UFO sightings, ...

In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The Perseverance rover, which has been exploring a dried-up lakebed for years, found ...

A large neutral response can indicate several things. Scientists may judge the evidence genuinely inconclusive. They may hold ...

It may seem like we are on the verge of discovering alien life. In 2025, a press release stated that we have the "strongest hints yet" of extraterrestrial life on the exoplanet K2-18b. And when ...

Seven organic molecules that have never been seen before on Mars just turned up inside a single rock — and one is a precursor ...