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 ...

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

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

The Very Large Telescope (VLT) and the Atacama Large Millimeter/submillimeter Array (ALMA) has captured a "violent cosmic ...

Days before America's 250th birthday, columnist Suzie Dills shares a peek at how early Americans used planets and ...

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

A radio telescope project known as the Deep Synoptic Array is moving forward. It aims to detect radio waves emitted by stars, ...

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

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

Astronomers believe the object, dubbed 'Oumuamua, came from the general direction of the Lyra constellation ...