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 ...

The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration.

Astronomers truly live in a bold new era, where ground-breaking camera technology could change the way we understand the universe.

Juice observed 3I/ATLAS during perihelion, when Earth-based telescopes could not. Spectroscopic observations measured water ...

Scientists still don’t know where ghostly particles called neutrinos originate. A distant galaxy could be a potential source.

Skygazers with binoculars and small telescopes may be able to spot it as a small point of light passing harmlessly through ...

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

There’s bad news to report on the clear skies front. A new paper, available as a preprint on arXiv from researchers at NASA’s ...

As Spain prepares for a rare trio of eclipses that begin in August 2026, this stunning city in the path of totality is ...