Astronomers have detected a mysterious cosmic 'heartbeat' repeating every 22 minutes, unlike any known celestial object.

Astronomers have identified a tightly bound pair of stars that are spiraling toward a catastrophic merger, turning a distant stellar system into a natural laboratory for testing gravity at its most ...

Stars usually form in clusters, which can also form in pairs or groups. Binary clusters (BCs) are defined as pairs of open ...

All around us are elements forged in stars, from the nickel and copper in coins to the gold and silver in jewelry. Scientists ...

"Most of the articles ... have been published ... in the Gentleman's magazine, Knowledge, the Observatory, etc."--Pref., p. [vii]. The size of the solar system -- Jupiter and its system -- Giant ...