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 ...

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

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

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

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

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

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

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

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

It eases my embarrassment somewhat to know that many astronomers have made similar mistakes. My favorite one involves Kat Ross, an astrophysicist at Curtin University in Perth, Australia who studies ...

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