Space

For the first time, scientists have measured a long-sought global electric field in Earth’s atmosphere. This field, called the ambipolar […]

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

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

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