Eventually, we'll launch a mission dedicated solely to studying an interstellar object. When that day comes, which one should ...

"All these discoveries from pioneering missions like Voyager and New Horizons teach us how little we know about what lies ...

Some of these approaches may show promise, but new research indicates much of today’s AI is even more easily duped by false ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...

A Chinese spacecraft on a mission to collect and return samples of a near-Earth asteroid beamed back its first image of its ...

A siphonophore—a colonial marine invertebrate related to the venomous stinging Portuguese Man-o-war—is scanned using Deep ...

Did the CIA's controversial MKUltra program target children in juvenile detention centers? During a recent congressional hearing, witnesses alleged that vulnerable minors were subjected to unethical ...

The White House has appointed Harvard astronomer Avi Loeb to lead a new scientific advisory team investigating unidentified anomalous phenomena (UAPs), commonly known as UFOs. The move is part of ...

In 1988, the Soviet Union launched two of its most ambitious spacecraft ever built not toward Mars itself, but toward one of ...

Something is absorbing light on the surfaces of Pluto and Saturn’s moon Titan, and figuring out what it is could be crucial to understanding Titan’s complex chemistry ...

Harvard astrophysicist Avi Loeb has floated the provocative idea that humans might themselves be alien‑made 'autonomous probes,' built through advanced synthetic biology rather than evolving entirely ...