Astronomers witnessed planets colliding 11,000 light-years away, an event that could shed light on the collision that created ...

A team of astronomers at the University of Washington has identified what appears to be the aftermath of two planets smashing ...

Add Yahoo as a preferred source to see more of our stories on Google. From meteor showers to visible nebulas, August is primed to be an action-packed month for stargazers in the United States. And one ...

Six planets - Mercury, Venus, Saturn, Jupiter, Uranus and Neptune - will all be visible in the night sky.

A rare planetary alignment will make six planets visible shortly after sunset this weekend. Here's which planets you could ...

A planetary conjunction is an astronomical event in which at least two planets – sometimes more – appear to our vantage from Earth to be close together in the sky. Both Venus and Jupiter are making ...