On the night of July 1, 2025, a survey telescope in Chile caught something crossing the sky at a speed that made no sense for our solar system. It was not an asteroid drifting on a familiar loop ...

No black hole could ever be described as small. Even the most diminutive are many times the mass of the sun. But there is a now talk of a variety that throws shade on all others: the stupendously ...

The Allen Telescope Array at the Hat Creek Radio Observatory. Credit: Seth Shostak/SETI Institute A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious ...

To date, over 5000 exoplanets have been discovered using telescopes on the ground and in space. Credit: NASA/JPL-Caltech Watch America's 10,000-ton Navy destroyer unleash 96 missiles Never buy canned ...

Researchers from the University of Oxford have uncovered evidence that Mars once hosted enormous, Earth-like magmatic systems deep beneath its surface—despite the planet lacking the plate tectonics ...

This article contains spoilers for the film Disclosure Day. As much as Steven Spielberg likes aliens, he seems to prefer holding them at arm’s length. The creatures in Close Encounters of the Third ...

The Supreme Court on Tuesday issued a ruling that limits the use of a federal law to hold U.S. corporations liable for human rights abuses abroad when it dismissed a lawsuit that accused Cisco Systems ...

Imagine being in bed, sound asleep, when your country’s emergency alert system suddenly goes off on your phone. Scary stuff. Now imagine that same emergency alert was announcing an alien invasion was ...

A strange interstellar comet discovered last year and speculated by a prominent astronomer to be an alien spacecraft could be older than our Solar System, according to a new study. The comet, first ...

It was initially thought to have formed between three and 10 billion years ago, but researchers have now found that it could be even older, originating from an ancient planetary system nearly 12 ...