This article lists the top 7 largest moons in our Solar System, detailing their size, the planet they orbit, and key ...

Our solar system now, once again, officially consists of only eight planets. Although largely debunked, speculation continued ...

Short-period comets get close to the sun much more often than their long-period kin, and every time they do, they deplete ...

Modern astronomy is giving us unprecedented views of the asteroids, comets, and other small bodies that litter our cosmic ...

It will be a while before you can see it for yourself, however. Halley’s comet was last visible from Earth in 1986, meaning we won’t have a chance to see it again until 2061. The comet is expected to ...

Astronomers have discovered a rare planetary system that dances to a cosmic rhythm. Located 105 light-years away in the ...

Astronomers are investigating a potential hidden planet, dubbed Planet Y, far beyond Neptune. Its gravitational pull is suspected to be causing unusua ...

Halloween is upon us and the 2025 spooky season is abuzz with talk of three cosmic visitors — Comet Lemmon, Comet SWAN and the interstellar traveler 3I ATLAS — said to be haunting the night sky. But ...

There is no evidence to support the idea that this interstellar object is anything but a comet, but let's double-check.

A scientist spotted an asteroid hiding in the sun's glare that orbits the sun in just 128 days, making it the second fastest ...

The comet was only discovered in January at the Mount Lemmon Survey in Arizona, making it a relatively new discovery for ...

Comet Lemmon is currently low in the northwestern sky after nightfall. It is in the constellation of Boötes, not far from the ...