A newly discovered celestial object may be a starless cloud that could change how astronomers understand dark matter.

In Earth's fossil record, soft-bodied organisms like jellyfish rarely stand the test of time. What's more, it's hard for any ...

Nearly everything in the universe is made of mysterious dark matter and dark energy, yet we can’t see either of them directly ...

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 ...

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

Scientists have theorized that dark matter clumps exist in staggering numbers, far more than the galaxies we see. Only clumps ...

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.

Interstellar comet 3I/ATLAS reveals ancient secrets and strange chemistry as the largest object of its kind ever tracked.

With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

The appearance of someone's rear end may reveal a hidden sign that they're dealing with autism, ADHD, or both.