Comet Nishimura came into NASA's STEREO-A spacecraft's field of view. The solar wind was interacting with the tail of the comet in the footage. Credit: NASA/STEREO/Karl Battams | edited by Space.com's ...

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

NEW YORK (AP) — 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.

Astronomers have discovered a doomed, disintegrating planet with a comet-like tail that is shedding a Mount Everest's worth of material each time it orbits its star. The small, rocky world—given ...

The scientists confirmed that the signal is of a tightly orbiting rocky planet that is trailing a long, comet-like tail of debris. "The extent of the tail is gargantuan, stretching up to 9 million ...

“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 ...

Astronomers have discovered a distant exoplanet with a tail that stretches over 5.5 million ... found a planet with a debris trail like a comet that stretches up to 5.5 million miles in space.

And as it decays, it is leaving behind a tail of matter like a comet. The planet BD+05 4868 A is located 140 light-years away, and is around the mass of Mercury. Unlike Mercury, though ...

Comet SWAN, hailing from the Oort Cloud beyond Pluto, has been visible through telescopes and binoculars over the past few weeks with its streaming tail, but experts said it may not have survived ...

WASHINGTON: Astronomers have spotted a small rocky planet that orbits perilously close to its host star disintegrating as its surface is vaporised by stellar heat, trailed by a comet-like tail of ...

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 ...

trailed by a comet-like tail of mineral dust up to about 5.6 million miles (9 million km) long. About 5,800 planets beyond our solar system, called exoplanets, have been discovered since the 1990s.