Today I want to talk about something beginning observers tend to overlook. It a process of the human eye called dark ...

The space-based observatory, launched at the end of March, released its first set of images, in which a cloud of dust ...

The Swan Nebula (M17) glides through the early-morning sky near the border that Sagittarius shares with Scutum and Serpens ...

The Iris Nebula (NGC 7023) is an odd reflection nebula surrounding a magnitude 7.4 star, SAO 19158, in the constellation ...

The most recent measurement of a nearby galaxy cluster is deepening a disagreement about how fast the universe is expanding — ...

Starting high in the Northern Hemisphere sky, I’ll be highlighting lots of stuff over the coming weeks and months. I’m going ...

Fabricius noted the brightness of Mira on August 3, 1596. But when he observed it on the 21st of that month, it was a ...

Venus and Saturn shine before dawn, with Neptune tucked between them — see if you can spot the ice giant with binoculars or a ...

This morning is the best time to catch the Eta Aquariid meteor shower, which should produce about 10 meteors per hour before ...

An astronomer breaks down 3 key components that allow researchers to make groundbreaking discoveries — and decide when ...

The Dragonfly quadcopter will soar through Titan’s hazy skies and roam its dune seas in search of evidence that the distant ...

Black holes are known for their voracious appetites, consuming everything — even light — that falls inside them with no hope ...