Space

A hypothetical “fifth force” could attract asteroids, if it exists. But asteroid Bennu shows no signs that its orbit has […]

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

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

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

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