Space

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

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

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

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

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

Imagine going on a week-long business trip and not coming home until next year. That may be the case for

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