Astronomers announced the discovery of a starless cloud of hydrogen gas, a pristine relic of the cosmos that is almost as old as time itself.

Deep space has just delivered a cosmic riddle that refuses to fit any familiar category. Astronomers using some of the most ...

NASA's Europa Clipper spacecraft has captured ultraviolet images of interstellar comet 3I/ATLAS, revealing hidden chemical ...

For a quarter century, cosmology has rested on a simple but audacious idea: that a fixed “cosmological constant” drives the ...

Both NASA’s James Webb Space Telescope and Chandra X-ray Observatory caught these two galaxies in a close embrace.

For over a decade, the NASA telescope has captured various beautiful pictures of space. These pictures show us various ...

NASA’s SPHEREx telescope has combined 100+ infrared maps into the universe’s first all-sky cosmic atlas, revealing galaxies, interstellar clouds, and cosmic inflation patterns never seen before.

Last year delivered doses of drama and excitement in the space business, with a record number of launches, breathtaking ...

Cloud-9 entered the picture in 2023, when astronomers using the Five-hundred-meter Aperture Spherical Telescope (FAST) in ...

We are going to be getting a lot of exciting new information about galaxies in 2026, says Chanda Prescod-Weinstein, who can't ...

Scientists have identified a strange cosmic relic called Cloud-9 — a starless, gas-filled object dominated by dark matter.

The discovery of thousands more galaxies with stars ringing their main disks could help astronomers study galactic evolution ...