A couple months back, astronomers officially confirmed the existence of “Betelbuddy,” Betelgeuse’s long-suspected companion ...

NASA’s report of potential signs of ancient life on Mars has reignited a long-running scientific debate about how common life ...

Comet 3I/ATLAS is warming up as it approaches the sun, causing a jet to emerge. The jet is visible in a dramatic new image.

Two decently bright comets that share a superficial resemblance are gracing our skies right now, in fact: C/2025 A6 (Lemmon) ...

A mysterious interstellar object has recently captured the attention of astronomers worldwide. This enigmatic visitor, ...

In a matter of days, Comet 3I/ATLAS will reach its closest point to the Sun. The third known interstellar object will reach ...

If there is one star that serves to announce the arrival of fall as the leaves have begun to turn, unquestionably that title ...

The early part of this past week brought crystal clear skies and cool weather, and it felt absolutely great outside.

This is your rundown on the latest breaking news in space. We’ve got updates on everything from auroras to black holes, plus ...

F or centuries, dating back to long before the invention of the telescope, people have reported odd flashes that sometimes ...

Sacramento State’s planetarium coordinator Kyle Watters shares how he developed a passion for astronomy and what audiences can expect during the upcoming planetarium shows on Oct. 24-26.

Ten years after the first detection of gravitational waves, scientists have captured the clearest signal yet — and it confirms one of Stephen Hawking’s most famous predictions. Using the upgraded LIGO ...