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 ...

On Sunday (Jan. 12), the Red Planet will make its close approach of Earth at 8:32 a.m. EST (13:32 GMT). This event, known as ...

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 ...

European countries have built some of the best telescopes in the world in Chile at a cost of several billion euros.

February 1: The thin, four-day-old crescent moon will be just a few degrees from Venus, making a lovely pair. Look for them in the sky in the southwest after sunset. When you observe the moon, see if ...

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 ...