Space

Black holes about the size of a hydrogen atom could be careening through the solar system unnoticed. But their days […]

For the first time, astronomers have watched gas boil and bubble on the surface of a distant star. Scientists observed

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

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

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

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

To leave a lasting trail, meteors must aim downward. A new study of shooting stars shows that meteors that blaze

As more and more species come close to extinction, scientists have been collecting samples of animals, plants and other creatures

One of the most distant quasars known appears to have shut down the formation of new stars in all galaxies

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