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.

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

A newly discovered celestial object may be a starless cloud that could change how astronomers understand dark matter.

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.

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 ...

Using NASA’s James Webb Space Telescope, astronomers have spotted two rare kinds of dust in the dwarf galaxy Sextans A, one ...

After combing through NASA’s James Webb Space Telescope’s archive of sweeping extragalactic cosmic fields, a small team of ...

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

Scientists are uncovering dark matter, the biggest secret in the universe, with new detectors built to sense what was once ...