Telescopes 4 inches or less in diameter are portable, easy to use, and great beginner instruments. Here, I’ll walk through ...

After 30 years of observing, I’ve compiled a list of some of my favorite deep-sky objects. These look best with a large ...

Views of a massive galaxy cluster Abell 2256 have been captured by NASA’s Chandra X-ray Observatory, ESA’s XMM-Newton and ...

For decades, Venus remained hidden beneath an impenetrable layer of clouds, concealing one of the greatest mysteries in the ...

NASA plans a bold robot mission to rescue the Swift telescope from imminent destruction in Earth's atmosphere.

Overview A good telescope helps you enjoy the Moon, planets, and stars in much greater detail.Beginners should choose simple ...

The Dwarf Mini makes it as easy and intuitive as possible to start photographing the deep sky. It packs quite a punch ...

In the latest research, telescope observations of 3I/ATLAS examine its chemical structure and suggest that it took shape in a ...

Second only to black holes, neutron stars – incredibly dense star remnants – are the densest objects in the universe. When ...

ASKAP J1745 stands out because astronomers have been able to identify what is producing it, unlike 10 of the 12 known long-period transients. It is also especially valuable because it was observed ...

James Webb uncovered exotic salt clouds surrounding the famous "Pink Planet," solving a long-standing mystery about one of ...

As America celebrates its 250th birthday, the spirit of exploration that once pushed pioneers across a continent is now ...