In April, scientists announced that they had used NASA’s James Webb Space Telescope to find a potential signature of alien ...

In October 1604, astronomer and mathematician Johannes Kepler spotted a new star in the sky and began tracking it. Over the course of several weeks, the star remained visible in the daytime and ...

The bold question-askers at What If examine a scientific theory suggesting aliens might be evolved human descendants.

The "unintentional electromagnetic leakage" from airport radars and military radar systems can be "detectable across ...

Airport radars, while tracking aircraft, unknowingly leak signals into space that could potentially reveal Earth's location ...

Aliens have been one of the most enduring elements of science fiction. Sometimes they’re terrifying, sometimes they’re wise, ...

The idea of an alien invasion has captured our imaginations for decades, with countless science fiction stories depicting extraterrestrial civilizations invading Earth for resources, slaves, or ...

Google Maps users have been left baffled by a strange 'sign' which they think might have been left by 'ancient alien visitors ...

Case in point: Scientists from Tokyo University and Hokkaido University in Japan stumbled across some mysterious jet-black ...

NASA has confirmed the discovery of an Earth-sized planet parked right in the “habitable zone” of a distant red dwarf star.

A planet that is snuggled up closely with its host star may be igniting colossal flares that strip it of its own mass.

A new gas giant world discovered by citizen scientists using data from NASA's exoplanet-hunting spacecraft TESS is cool, ...