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 ...

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

Far beyond Earth, NASA has discovered a world unlike anything else in the Solar System. Jupiter's moon Io is covered in ...

Unlike major telescopes such as Hubble Space Telescope or James Webb Space Telescope, Swift was built for speed.

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

One of the faintest galaxies ever discovered orbiting the Andromeda Galaxy has been identified by an international team of ...

Gamma-ray burst GRB 260623A was detected by NASA’s Fermi telescope morning at 12:56 UTC Tuesday, triggering a global ...

A galaxy seen almost edge-on, wrapped in thick lanes of dust and glowing with unusually intense star formation, has long ...

A high-stakes mission to save NASA's Swift Observatory from a fiery end has relied on Virginia. Here's an inside look ahead ...

JWST and radio interferometry caught six massive galaxies colliding 12 billion years ago, while a young supermassive black ...

The agency has partnered with startup Katalyst Space Technologies to launch a robotic spacecraft that will capture the Swift ...