Astronomers have spotted a small rocky planet that orbits perilously close to its host star disintegrating as its surface is ...

It turned out finally that the explanation of Mercury’s weird behaviour was not a planet; it was something much stranger. The ...

Halley’s comet swings near Earth every 75 years. But debris left by the comet leads to two major meteor showers annually.

Venus dominates as the brilliant “Morning Star” in the east-southeast before dawn; the Eta Aquariid meteor shower takes place ...