Alinda has made its closest approach to our planet in decades, and it's about to peak in brightness in a rare ...

SpaceX is working to make its satellites less of a nuisance to astronomers by testing out ways to stop Starlink from showing ...

The powerful, Tucson-born infrared eyes of the James Webb Space Telescope have notched another record for long-range viewing: the largest number of individual stars ever detected in the distant ...

Comet G3 ATLAS (C/2024) is expected to whiz past the Sun in mid-January, giving skywatchers an extremely rare opportunity to ...

Technology is advancing at a rapid pace, transforming all areas of our lives and leaving barely any aspect of it unimpacted.  This is not a new phenomenon by any degree. Many centuries ago, the ...

As Mars approaches opposition this month, it will become a dazzling spectacle in the night sky. See it at its best now, or ...

Multiple wildfires, including the Palisades Fire and Eaton Fire, are raging across Southern California Thursday, leaving at ...

We haven’t seen the Red Planet this luminous in the night sky since 2022. Our astrotourism expert shares how and when to enjoy the show.

This week's nominees include Alison Young of BHS, Alyssa Hubble of FHS, Roman Ignagni of HCS, Jose Zuniga of HHS, Grace ...

The newcomer replacing Pluto presently goes by “Planet Nine.” If and when it finally shows up, it will get the honor of a ...

The James Webb Space Telescope captured images of 44 individual stars in a gorgeous portrait of a distant galaxy.

A solar eclipse crossed North America. Two robotic landers reached the lunar surface, largely intact. The most powerful ...