One other thing the Gaia data has been clarifying is that the Milky Way's disk is not serene and flat, but warped and ...

Astronomers have identified 3I/ATLAS, an ancient, ice-rich interstellar comet potentially older than our solar system.

The enormous outburst was likely caused by an unfortunate star venturing too close to a supermassive black hole ...

Scientists studying the interstellar visitor 3I/ATLAS now concede that its origins may forever remain a mystery—'it's like a ...

The perigee distance sort of wobbles around that mean distance a bit, but the supermoon of November 2025 is going to be a ...

Physicist Brian Cox dismisses alien claims about comet 3I/Atlas, calling it a natural interstellar relic and “a message from a dead world.” ...

Scientists are observing the most energetic flare ever seen emanating from a supermassive black hole, apparently caused when ...

Learn how exoplanets are discovered, what makes planets beyond our solar system unique, and how they drive the ongoing search ...

ESCAPADE is overseen by the University of California Berkeley, who named the spacecraft’s onboard satellites Blue and Gold ...

A stunning meteor shower will also light up the Australian night sky throughout November as the Earth passes through debris ...

A handful of extremely massive stars, each heavier than 1,000 Suns, may have sculpted the chemistry of the oldest star ...

For most of its journey 3I/ATLAS has been frozen solid, but the warming rays of our Sun are enough to unfreeze some of its gases such as carbon dioxide, generating a faint cometary tail. For a period ...