The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

Astronomers have observed an ultrafast outflow (UFO) forming immediately after a black hole for the first time in human ...

Low Earth orbit is filling up with industrial-scale fleets of satellites, and the collateral damage is becoming impossible to ...

Current physics is speeding toward a breaking point, as astronomers confirm that the Hubble tension in new data.

Harvard's Avi Loeb claims the interstellar object 1I/'Oumuamua is alien tech, blasting the scientific establishment for a ...

Record-breaking ultrafast outflow (UFO) winds from a supermassive black hole flung matter across the universe close to the speed of light.

Teresa Paneque learned in September that she was a top prize winner for the 2025 Eric and Wendy Schmidt Awards for Excellence ...

“Our latest discovery helps solve a 20-year cosmic mystery,” co-lead author Daniel Whalen from the University of Portsmouth's ...

The footage, which NASA released on Dec. 3, was captured by the Perseverance rover inside Jezero Crater on Sept. 6, as ...

Before 3I/ATLAS, the only other confirmed interstellar tourists we've seen were the now-famous, cigar-shaped 'Oumuamua' in 2017 and the slightly more conventional Comet '2I/Borisov' in 2019. This new ...

The James Webb Space Telescope has found compelling evidence for "monster stars" — gigantic, primordial stars that existed in the early universe.

A never-before-seen blast from a supermassive black hole was spotted by two sophisticated X-ray space telescopes. This giant ...