Scientists have identified a strange cosmic relic called Cloud-9 — a starless, gas-filled object dominated by dark matter.

For more than 70 years, what were thought to be mammoth fossils were tucked away in the archives of the University of Alaska ...

Fossils of a human ancestor from 773,000 years ago may be near the base of the Homo sapiens lineage, representing a common ...

The discovery of exoplanet PSR J2322-2650b reveals how unusual other worlds can be. This exoplanet takes just 7.8 hours to ...

In the vast, silent expanse of our solar system, a new visitor has sparked a familiar question: are we truly alone? For those ...

NASA’s missions to Saturn’s mysterious moon Titan have uncovered an alien world with lakes and seas made of liquid hydrocarbons, a thick nitrogen-rich atmosphere, and complex organic molecules. From ...

Blink, and you'll miss these celebs' sneaky "Star Trek" cameos. Many of them are Trekkies themselves who were honored just to ...

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The ...

A new study reveals that tiny fragments of Earth's atmosphere are transported to and absorbed by the moon via gusts of solar ...

Though this hunt came up empty, the fact that 3I/ATLAS is only the third known object found in the solar system after ...

It is unclear whether a [3I/ATLAS] would transmit radio signals … such signals would take tens of thousands of years to cross ...

Scientists used the 100-metre Green Bank Telescope to look for alien signals but detected no radio signals from 3I/ATLAS.