Space

At age 12, Tracy Slatyer felt sorry for a book. She read a newspaper article about how lots of people […]

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.

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

A red dwarf star known as Barnard’s star, which lies a mere six light-years from our solar system, has at

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

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

NASA’s Europa Clipper spacecraft will soon be on its way to help solve a quarter-century-old mystery: Could anything live in

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. Called “Wow!” signal, the bright