This strange exoplanet, located 140 light-years away from Earth in the constellation Pegasus, appears to be rapidly falling ...

First planet of its kind with ‘gargantuan’ comet-like tail discovered - Planet’s ‘tail’ is millions of miles long, researchers say ...

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

Halley’s comet swings near Earth every 75 years ... Sometimes the surrounding air glows briefly, leaving behind a fiery tail — the end of a “shooting star.” You don’t need special ...

Halley’s comet swings near Earth every 75 years ... Sometimes the surrounding air glows briefly, leaving behind a fiery tail — the end of a “shooting star.” You don’t need special ...