Astronomers found 3I/ATLAS, an interstellar comet older than the sun, has a unique composition unlike any local comet, offering first-ever insights into distan…

Astronomers mapped the universe's largest-ever cosmic web with the James Webb Space Telescope, revealing hidden gas threads and early galaxies over billions of…

The European Space Agency's Euclid space telescope has discovered 31 of the most ancient quasars ever found. Two of these giant and dazzling galaxy cores, powe…

NASA's Hubble Space Telescope has captured a spectacular red, white, and blue view of one of the Milky Way's oldest star clusters to celebrate the nation's 250…

A study warns that 1.7 million planned satellites will blind telescopes with glare and radio noise. This threatens astronomy’s ability to observe the universe …

A robotic spacecraft called LINK will soon tug the telescope to a higher orbit. The NASA Swift Boost mission has launched from Marshall Islands on July 3 at 4:…

Red, white, and blue stars glitter like a sparkler being waved on a dark night in this new image from NASA’s Hubble Space Telescope.

NASA has launched a robotic mission to try to prevent one of its ageing telescopes from burning up in the atmosphere in a complicated operation expected to las…

NASA’s Hubble Space Telescope has released a striking new image revealing a dense cluster of brilliant white and blue stars embedded within a vast, crimson clo…

NASA’s Swift space telescope is reaching the end of its two-decade run in orbit – unless a satellite launched on 3 July can give it a lifesaving boost

NASA’s Hubble Space Telescope has captured a breathtaking, high-resolution image of the globular cluster Messier 3, revealing more than 500,000 stars burning i…