Alien megastructures built to harvest stellar energy or alter the orbits of stars may be physically feasible, according to a ...

The universe is at it again; scientists have been baffled by a discovery that turns all the knowledge they have on planetary ...

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

Artemis II began its historic flyby of the moon Monday in what is the mission’s showstopper event — giving its crew and ...

The comet has been on our radars since the summer of 2025, when the Asteroid Terrestrial-impact Last Alert System (ATLAS) ...

UFOs have intrigued people for decades, with sightings and investigations dating back to the first widely reported one in ...

Flying saucers, balloons or mass hysteria? It's 60 years today since Australia's biggest UFO sighting took place at a ...

Designed to hunt for new alien worlds, NASA's Transiting Exoplanet Survey Satellite (TESS) has serendipitously observed the ...

By COREY WILLIAMS Before zombies shambled about, ghoulishly feasting on the flesh of those too slow to flee, aliens from outer space ruled movie theaters, drive-ins and late Saturday night creature ...

Solar winds and coronal mass ejections may scatter narrow signals, making them harder for Earth-based telescopes to detect. The SETI Institute uses radio telescopes to search for signs of intelligent ...

President Donald Trump on Thursday night said he would declassify government files related to alien life and unidentified flying objects, citing the “tremendous interest” in the topic, an announcement ...