"BepiColombo's main mission phase may only start two years from now, but all six of its flybys of Mercury have given us invaluable new information about the little-explored planet." ...

A newly-discovered comet might light up the night sky in the coming weeks, possibly shining even brighter than the planet ...

Rising just before sunset on January 13, the Full Wolf Moon will be up all night, and will slip below the western horizon only after the Sun rises. Plus, if you watch closely throughout the night, you ...

Even though the Quadrantid meteor shower's peak has come and gone, stargazers are still in for a treat this month.

As Mars approaches opposition this month, it will become a dazzling spectacle in the night sky. See it at its best now, or ...

One of the brightest comets in 20 years, Comet 2024 G3 (ATLAS) returns for a close encounter with the sun — but will we be ...

Alinda is one of the five largest near-Earth asteroids, coming closer than 9.3 million miles until the year 2200.

Charon is large in size relative to Pluto, and is locked in a tight orbit with the dwarf planet. A new simulation suggests how it ended up there.

The NASA mission broke its own record as it seeks to teach us more about our Sun, as well as reveal other secrets of the ...

The moon will pass in front of the Pleiades star cluster during an occultation on Jan. 9, 2025. Here's how to see it.

NASA’s Parker Solar Probe will perform 24 orbits around the Sun with the next close solar passes occurring on 22 March and 19 June ...

The large asteroid 887 Alinda, more than 4 km wide, is approaching the Earth as close as possible. Such close contact is the first in the last 100 years.