A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

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

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

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 ...

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 photo of a three-sided Martian "pyramid" has sparked discussions on potential advanced life on the Red Planet. Evidence of alien life or cosmic pyramid scheme? A documentary filmmaker sparked a ...

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