Space

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

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

NASA’s Europa Clipper spacecraft is on its way to help solve a quarter-century-old mystery: Could anything live in the ocean

Dozens of runaway stars were caught escaping from a dense star cluster in a satellite galaxy of the Milky Way.

Astronomers have finally found an asteroid that keeps pace with Saturn in its orbit around the sun. Such objects, called

Planetary astronomer Bonnie Buratti remembers exactly where she was the first time she heard that Jupiter’s icy moon Europa might

Most of Earth’s meteorites can be traced back to just a few collisions within the asteroid belt between Mars and