Ukrainian Astronomers Discover 'Exocomets' around Another Star

Most distant star to date spotted — but how much further back in time could we see?

NASA's Hubble Space Telescope spots largest comet ever seen by astronomers. It has an estimated diameter of 80 miles, which is larger than the state of Rhode Island.

Shooting Star Season Has Begun! Exactly When, Where And How To See April’s Lyrid Meteor Shower Peak