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 ...

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

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 ...

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

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

In astronomers’ speak, the term galactic bulge stands for the dense cluster of billions of stars, many of them packed tightly ...