The Van Allen probe, which studied how the Earth is protected from harmful space radiation, could fall to Earth tonight. Here’s what to know ...

The apparent disappearance of the mysterious disc has prompted online discussion about whether government entities are purposefully obscuring genuine alien-related imagery ...

Do aliens exist? Few debates have proved as enduring – or as divisive – as the question of whether there is life beyond Earth ...

Donald Trump has ordered the release of files related to aliens, UAP, and UFOs. If previous disclosures are any indication, get ready for a letdown.

Some believe the Betz mystery sphere, a steel ball that a Florida family found on their property in 1974, is a piece of alien ...

Looking for molecular evidence of life on other worlds is tricky, but a test based on the reactivity of carbon compounds ...

A computer expert pulled off the 'biggest military computer hack of all time,' breaching NASA's system to find what he said ...

Scientists might have just found Earth's icy, distant cousin a few hundred million light-years away. HD 137010 b is one of ...

Remember 3I/ATLAS? Yes, the interstellar comet that made plenty of headlines in 2025 is still romping through our solar ...

Questions about what the federal government may know about extraterrestrial life in the cosmos — or possibly even here on Earth — have inspired imaginations, conspiracy theories, sci-fi literature and ...