Space

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

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

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

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

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

One of the most compelling possible signs of extraterrestrial communication may have an astrophysical explanation. It’s called “Wow!” signal, the

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

The opposing fountains of plasma and particles spanning 23 million light-years are the longest pair of black hole jets ever

While SpaceX’s Starlink satellites are enabling Internet access and mobile communications around the globe, they are also posing a threat