Space

As the youthful universe congealed under the pull of gravity, matter knotted itself into galaxies, galaxy clusters and filaments, weaving […]

Opposing fountains of plasma and particles spanning 23 million light-years are the longest pair of black hole jets ever seen.

While SpaceX’s Starlink satellites are enabling internet access and cell phone communications around the globe, they’re also posing a threat

Betelgeuse, Betelgeuse! The red supergiant that marks Orion’s left shoulder may have a tiny, unseen companion. Two independent studies found

Satellites hampering radio astronomy — Science News, October 5, 1974 In the past, the satellites and probes launched by NASA

Dozens of fugitive stars were caught fleeing a dense star cluster in a satellite galaxy of the Milky Way. The

Contrary to a previous report, there is no evidence for an intermediate-mass black hole in Omega Centauri, the Milky Way’s

A distant stellar nursery holds a cluster of newborn worlds the size of Jupiter, the smallest of which is surrounded

For the first time, scientists have measured a long-sought global electric field in Earth’s atmosphere. This field, called the ambipolar

For the first time, astronomers have seen gas boiling and bubbling on the surface of a distant star. Scientists observed