For a long time, astronomers thought that binary star systems, where two stars orbit each other, were too chaotic for planets ...

North America’s celestial highlights for the week ahead, which also apply to mid-northern latitudes in the northern ...

Using a new technique that partly relies on artificial intelligence, researchers spotted potentially more than 10,000 new ...

Have you seen the bright star in the west after sunset? It’s Venus — and it’s about to do something spectacular. On June 9-11 ...

Pluto was reclassified as a dwarf planet in 2006, but new discoveries and fresh debate are reigniting calls to restore its planet status. Learn why Pluto lost its title, what scientists discovered ...

The findings could more than double our current database of worlds that loop around binary star systems. But researchers need ...

See dazzling planets, the Milky Way and a trio of celestial animals brightening the spring sky around May's new moon.

Venus, Jupiter and Mercury headline May's skywatching, with stunning moon pairings and a three-planet display.

Watch this video to find out more about the Earth, planets in our Solar System and other planets far off in outer space. From up here on the International Space Station I get a great view of Earth.

Deep in the cosmic dark nature plays by a violent set of rules. Across the universe there are alien worlds that feel less ...