Space

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

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

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

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

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

One of the most compelling possible signs of extraterrestrial communication may have an astrophysical explanation. Called “Wow!” signal, the bright

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

The biggest conundrum in cosmology may be closer to being solved, thanks to the James Webb Space Telescope. Scientists disagree