A dazzling snapshot from ESO’s Paranal Observatory captures a rare sky parade — the Moon, a comet, and nearly every visible planet strung across the heavens. This celestial lineup is an optical ...

In celebration of the 35th anniversary of the legendary space telescope’s launch, here are 35 of our favorite images it has ...

Most meteorites are small — pebble-sized or smaller — chunks of rocky material that, in most cases, get buried in the soil or ...

The NASA boffins in white coats and thick-rimmed glasses have detected new signals that show the Oort cloud - the spooky shell of icy objects at the very edge of our solar system - might have ...

Comet SWAN, a newly discovered green comet from the Oort Cloud, has likely disintegrated after its recent solar passage, diminishing hopes for naked-eye visibility. Discovered by amateur ...

On April 7, 2025, star HIP 16271 was occulted by Uranus. As a star, it is by no means famous. A yellow-white star in the constellation of Taurus, not bright enough to be visible to the naked eye g ...

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. Comet SWAN, hailing from the Oort Cloud beyond Pluto ...

"The extent of the tail is gargantuan, stretching up to 9 million kilometers [5.6 million miles] long," said MIT astronomer ...

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. Comet SWAN, hailing from the Oort ...

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. Comet SWAN, hailing from the Oort Cloud ...

Credit: Jose-Luis Olivares / MIT illustration Astronomers have accidentally found a planet with a debris trail like a comet that stretches up to 5.5 million miles in space. This strange exoplanet ...