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

Astronomers have discovered one of the least habitable planets ever. This tiny world is being melted by its host star, leaving a comet-like tail that stretches millions of kilometers behind it.

This strange exoplanet, located 140 light-years away from Earth in the constellation Pegasus, appears to be rapidly falling apart. Its blistering host star is so close, the radiation is effectively ...

“The shape of the transit is typical of a comet with a long tail,” said Marc Hon, another author of the study. “Except that it’s unlikely that this tail contains volatile gases and ice as ...

To the astronomers observing it, the planet looks like a huge comet with a long tail of debris. That tail stretches nearly 6 million miles long, encircling about half the planet’s entire orbit. The ...

But debris left by the comet leads to two major meteor showers every year ... Sometimes the surrounding air glows briefly, leaving behind a fiery tail — the end of a “shooting star.” ...

Astronomers have spotted a first-of-its-kind rapidly crumbling planet outside the Solar System that is leaving behind a “gargantuan” comet-like tail of debris. It is so close to its star that ...