Space

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

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

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

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

For the first time, astronomers have seen gas boiling and bubbling on the surface of a distant star. Scientists observed

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 cell phone communications around the globe, they also pose a threat

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

A red dwarf star known as Barnard’s Star, located just six light-years from our solar system, has at least one