A tiny, dense stellar corpse in a nearby galaxy is pumping out so much energy that, on paper, it should have blown itself ...

Hints of impossibly bright, massive objects in the infant universe have forced astronomers to rethink how the first cosmic ...

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. By Katrina Miller The universe continues to surprise those ...

(CNN) — Astronomers may have discovered a previously unknown type of astronomical object, nicknamed “Cloud-9,” that could shed light on dark matter, one of the biggest mysteries in the universe. Dark ...

Scientists believe Europa's seafloor is likely tectonically quiet, without active volcanoes or hot water plumes. These findings contrast with the long-held theory that Europa is a promising location ...

Astronomers have revealed a new type of cosmic object called Cloud-9 — a dim, starless gas cloud anchored by a massive dark matter halo that may be the first-confirmed failed galaxy. When you purchase ...

Sen. Mark Kelly was recently censured by Pentagon chief Pete Hegseth for his role in a video to service members. Before his political career, Mark Kelly was a NASA astronaut who flew 4 space shuttle ...