NEW YORK -- A newly discovered green comet tracked by telescopes has likely broken apart as it swung by the sun, dashing hopes of a naked-eye spectacle.

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

A recently-discovered comet could have appeared in the night sky with the naked eye, but its passage near the sun has turned ...

The astronomers spotted the planet using NASA's Transiting Exoplanet Survey Satellite (TESS), an MIT-led mission that ...

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

NASA launched a bold mission: crash a spacecraft into a comet using the force of 5 tons of TNT. The result wasn’t destruction ...

But as the comet neared the sun, it broke apart into chunks until it finally evaporated, according to NASA. C/2024 S1 was a sungrazer, a comet that passes within a distance of about 850,000 miles ...

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

The newest comet was discovered by amateur astronomers, who spied it in photos taken by a camera on a spacecraft operated by NASA and the European Space Agency to study the sun. The comet won’t ...

The newest comet was discovered by amateur astronomers, who spied it in photos taken by a camera on a spacecraft operated by NASA and the European Space Agency to study the sun. The comet won't ...

The newest comet was discovered by amateur astronomers, who spied it in photos taken by a camera on a spacecraft operated by NASA and the European Space Agency to study the sun. The comet won’t ...