Astronomers traced a mysterious radio signal repeating about every 80 minutes to a compact system containing a magnetized ...

Astronomers have confirmed the first known four-star system where two separate binary pairs not only eclipse themselves but ...

Add Yahoo as a preferred source to see more of our stories on Google. In a binary star system, two stars orbit around each other. ESO/L. Calçada, CC BY Stars are the fundamental building blocks of our ...

In addition to a recent solar eclipse and upcoming lunar eclipse, astronomers have discovered a system of four stars that ...

A new geometric method tracks binary asteroid motion more accurately, especially when irregular shapes complicate gravity.

For the first time, astronomers have spotted a rapidly spinning neutron star that is gravitationally bound to a helium star companion. The discovery of this unusual binary system helps confirm a long ...

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Binary asteroid systems are widespread throughout our inner solar system. For decades, the standard paradigm held that many of them form when a rapidly spinning primary asteroid casts off material, ...

Although our Sun is the only star in our solar system, that isn't the case for every planetary system. It's estimated that about than half of stars could be binaries, though the exact percentage is ...