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.

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

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

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

A lucky alignment of two sun-studying spacecraft may have finally solved a decades-old solar mystery. Data from NASA’s Parker Solar

Black holes about the size of a hydrogen atom may be careening into the solar system without being noticed. But

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