Bigger than Hubble and launching as soon as 2029, the Lazuli Space Observatory would be the first-ever full-scale private ...

NASA's SPHEREx telescope unveiled its first full-sky map of the universe, combining more than 100 infrared observations into ...

On Saturday (Jan. 10), for example, we will see three satellites on one side of Jupiter (going outward from the planet: Ganymede, Io and Europa ), while the fourth ( Callisto) remains all by itself on ...

The Cambi C1 Smart Binoculars solve some real optical problems with digital binoculars on paper—the question is whether ...

PHOENIX — Like a motorboat doing doughnuts in a lake, Betelgeuse’s companion star leaves a wake in the giant star’s ...

Astronomers and scientists love Betelgeuse because it shines so brightly. While most stars appear as tiny points of light, ...

A new study led by a Georgia State University astronomy graduate student is a major step forward in the search for stars that ...

Betelgeuse’s long-standing mystery has been cracked: a hidden companion star is literally reshaping the giant from the inside out.

Orion the Hunter is such a great constellation, and I have to believe many stargazers share the same opinion. Even if you’re ...

The moon and sun share top billing in 2026. Kicking off the year’s cosmic wonders is the moon, drawing the first astronauts ...

Planetary alignments, a total lunar eclipse, and meteor showers are highlights to look for in the coming year.