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

We could see robots working on NASA's Habitable Worlds Observatory out in space.

The Pentagon's new website offers photos, transcripts, reports, and recordings.

Launching in the 2040s, the HWO telescope will search for Earth-like planets and feature swap-out instruments maintained by ...

The Pentagon says the website has U.S. government photos, videos, and documents that ‘are in one place – no clearance required.’ ...

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

A third batch of declassified UFO files were released by the Pentagon Friday. The latest such release in the Trump administration's new wave of public disclosure of Unidentified Anomalous Phenomena ...

The SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an alien spaceship.

They haven’t found alien life out there yet, but following the first successful in-space DNA sequencing, astronauts have a better way to look for it. This first test was mostly just to see that DNA ...

The nature of space, time and the evolution of life on Earth mean it’s unlikely extraterrestrial life has visited our home ...