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

Comet Nishimura came into NASA's STEREO-A spacecraft's field of view. The solar wind was interacting with the tail of the ...

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

“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 ...

The planet orbits its host star in just 30.5 hours, losing a mass of material roughly equal to Mount Everest each time ...