Looking for a sky event this week? Check out our full Sky This Week column. October 17: Catch open cluster M34 Jupiter stands ...

The comet is fast approaching its closest encounter with Earth on Tuesday, March 21, a harmless 28.6 million miles.

"The detection of heavy water … proves the water's ancient heritage and provides a missing link between clouds, disks, comets ...

A consensus is emerging that the dots, sometimes called rubies, are an entirely new type of object in the Universe.

In an astonishing feat of gravitational sleuthing, astronomers have found a mysterious, dense blob of invisible matter ...

The universe is truly magical: vast, mysterious, and endlessly fascinating. There’s something almost unreal about being able ...

Many of the world's most important systems, such as the atmosphere, turbulent fluids, and even the motion of planets, behave ...

The Mauve telescope, developed by London-headquartered start-up Blue Skies Space, is the size of a small suitcase and carries ...

Starfront Observatories allows amateur astronomers to rent a spot for their telescopes and photograph the cosmos over a ...

A faint radio "whisper" from ancient hydrogen reveals the universe was heating up long before it filled with starlight.

Fellows receive an $800,000, no-strings-attached grant to pursue their interests. Since 2020, UC alumni and faculty have ...