Twelve humans were selected for a mission unlike anything in history—traveling 40 light years to an alien world. But what ...

Stepped-up interest in UFOs also is swirling as the United States heads back toward the moon with Wednesday's launch of ...

TOI-4616 b is an Earth-sized exoplanet orbiting an M-dwarf that offers a strong benchmark for studying atmospheric loss and ...

Did NASA discover city lights on an alien planet? This video explores the implications and details of the findings that ...

An international research team, including astrophysicist Anjali Piette from the University of Birmingham, analysed data ...

Interest in unidentified aerial phenomena (UAPs) surged in February when Barack Obama stated aliens are "real," though he ...

Steven Spielberg has made a lot of movies about aliens.

These findings suggest that the absence of past detections does not mean discovery is imminent. If extraterrestrial ...

What would alien life from another planet be like? But we rarely ask the opposite: What would they think of us?

The “alien” is actually a potato. Specifically, it is a purple tuber nicknamed Spudnik-1, grown and photographed by Pettit.

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered an extrasolar planet orbiting TOI-4616—a nearby M-dwarf star. The newfound alien world, ...

Finding life beyond our solar system goes beyond measuring an exoplanet's size, as rocky, Earth-sized worlds might not have ...