Space

Stars don’t start out fully formed. Instead, they begin when clouds of diffuse gas and dust clump together, becoming denser than their surroundings. Gravity does the rest, pulling material inward until a collapsing knot becomes a compact, warming core: a protostar, still feeding on the cloud that created it. That’s exactly what was seen in a recent image from NASA’s and the…

“Dark stars” could help solve three seemingly disconnected mysteries that emerged at cosmic dawn — mysteries recently discovered by the James Webb Space Telescope. The puzzles include the surprising overabundance of supermassive black holes in the early universe, the unexpected existence of “blue monster” galaxies, and the so-called “little red dots&#8221…

Tucked into the Arctic, Greenland’s mountains do far more than provide stunning scenery. They steer winds and weather, shape regional climate patterns, and help dictate how the Greenland ice sheet moves by funneling ice into fast-flowing outlet glaciers and directing meltwater toward the coast. Those outlet glaciers matter globally because they are among the main pathways by which ice from…

From the ground, the night sky can feel limitless, but it’s also filtered through a blanket of air that softens and scatters starlight. From orbit, that veil drops away, as astronauts aboard the International Space Station (ISS) saw firsthand on Nov 28, 2025. They were treated to a view of the phenomenon called airglow, along with a glimpse of one of the Milky Way’s closest galactic…