Comet Leonard, which last passed by Earth 80,000 years ago, has been dazzling the night sky before Christmas, and there's only a few days left to see the celestial object before it disappears forever.

An unusual comet that astronomers thought had disintegrated actually survived its close pass by the Sun in 2022 1. The comet in question, C/2021 O3, was spotted in July 2021 on its way from the Oort ...

The telescope is part of a cluster of four observatories that include two in Hawaii and one in South Africa, whose job is to do exactly what the Chile telescope did: scan the skies for interstellar ...