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Here's an observers' guide to the newly discovered Comet 2025 F2 (SWAN), which is visible in northern skies right now.

How to view Comet A3, the comet visible with the naked eye, from Florida this October.

On the left, a small, rocky, dark comet represents their typical size of one metre to a few hundred metres wide. On the right is a larger, icy, bright comet with a glowing tail, whose size ranges ...

Scientists are excited to begin capturing Comet Tsuchinshan-ATLAS as the object is expected to soon be very bright in the night sky.

Daniel Zantzinger (Skywatcher's Guide) The brightest comet in a decade has dimmed dramatically after reaching maximum brightness of magnitude −4.9 in early October.

The comet is described as a spinning mass of ice, rock and dust, hurtling through space on a path that thankfully poses no threat to Earth. At its closest point, 3 Eye Atlas will remain approximately ...

Those who live in the Northern Hemisphere can look at the night sky for a wonder that might have fascinated the Neanderthals 80,000 years ago.

On these September nights, skywatchers have the opportunity to see many rare celestial phenomena that are otherwise difficult or even impossible to observe.

In the summer of 1986, Halley's comet ended its race around the Earth, after 76 years of absence. As a meteorite debris disintegrates in the earth's atmosphere, Howard, Ana and Daryl, three ...