New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

New images taken by the Hubble Space Telescope and a Jupiter-bound mission showcase interstellar comet 3I/ATLAS ahead of its ...

Astronomers at the University of North Carolina at Chapel Hill have helped uncover new clues about the longest-lasting cosmic ...

The Wide Field Camera 3 instrument gives the telescope the ability to capture a panchromatic view of objects flying through ...

R esearchers have calculated one of the most precise estimates for the expansion rate of the universe today, and it turns out ...

The eighth day of the 18th annual Space Telescope Advent Calendar features a young star cluster carving out space inside a ...

Interstellar object 3I/ATLAS exhibits 16.16-hour light variability linked to collimated jets. Hubble and Webb Telescope ...

Junk is accumulating in space at a fantastic pace, with millions of pieces orbiting the Earth, and humans need to figure out ...

While scientists examine the comet's chemistry, telescopes across the solar system are capturing dramatic new images. NASA's ...

The James Webb Space Telescope has captured new imagery of supernova remnant Cassiopeia A. It is 11,000 light-years away in ...