Out past Neptune are countless small icy and rocky bodies called Trans-Neptunian Objects (TNOs), and many of these have moons ...

Plus: Observe two stunning spirals, see Venus reappear as a morning star, and enjoy the Last Quarter Moon in the sky this ...

On the way to investigate the scene of a historic asteroid collision, a European spacecraft swung by Mars and captured rare images of the red planet's mysterious small moon Deimos, the European ...

SOME astronomical events we see often, like shooting stars, but these are only a fraction of the dazzling celestial wonders occurring over the vast expanse of time. However, there are still four ...

The space rock is expected to zoom past our planet at a zippy 28,655 miles per hour, according to the space agency.

New Webb Telescope data confirms that asteroid 2024 YR4 poses no threat to Earth during its 2032 flyby. As for the Moon, not ...

After sunset on April 2, look for the crescent moon and Jupiter in the western sky. The duo will appear within a palm’s width ...

The moon dims, the meteors fly, and the planets dance—these are the most exciting celestial events happening this month.

Astronomers have revealed new evidence that not just one, but four tiny planets are circling around Barnard's Star, the second-nearest star system to Earth. The four planets, each only about 20 to ...

or it’s a small asteroid captured by the planet’s gravity. It completes one orbit around Mars every 30 hours. Aside from capturing images of the slightly misshapen moon, Hera also performed ...