Trump has ordered the release of UFO files. The real question isn’t what they contain—it’s how the uncertainty could affect ...

The reality is a very different story. Exposure to the unmediated Martian environment isn't just hostile to human beings; ...

The Apollo missions changed how scientists understand the moon. Returning with Artemis could help solve some of the biggest lunar mysteries.

Declassified documents released in 2013 during Obama’s presidency acknowledged the existence of Area 51, saying that the secret government space was used as an aerial testing ground for U.S.

Astrobiologists say we could find evidence of microbial life within the next 10–20 years. What does that mean? Where are we ...

United States President Donald Trump says he’ll release government files relating to alien and extraterrestrial life.

Turns out evidence of alien life might well have been discovered much closer to home.

As next-generation telescopes map this outer frontier, astronomers are bracing for discoveries that could reveal hidden planets, strange structures, and clues to the solar system’s chaotic youth.

Researchers at the University of Bristol are developing soft robotic "exosuit" trousers worn under a spacesuit that they say could help astronauts move more naturally while reducing lower-limb fatigue ...

Elon Musk said on Sunday that SpaceX has shifted its focus to building a "self‑growing city" on the moon, which could be ...

A scientist at the University of Glasgow has delved into the possible existence of massive hypothetical energy-harvesting structures called Dyson spheres. In a new study, they showed that both stellar ...