An asteroid that has eluded astronomers for decades turns out to be an unusual pair of objects traveling together in space, a UCLA planetary scientist and colleagues report. The asteroid Hermes was ...

Astronomers generally agreed last week that two tiny objects recently discerned close to Earth are planetoids, the gleaming flecks of solar matter which revolve around the Sun mostly between the ...

NASA’s Lucy mission is seeing double. NASA announced Nov. 2 the spacecraft found that its first target, Dinkinesh, is orbited by a smaller satellite. If that wasn’t enough, recent data found the ...

Quantum Entanglement is a tricky concept to understand - and that’s because it is so counterintuitive. Imagine two particles on opposite ends of the Universe. These particles can have properties that ...

Twirling pair Artist’s impression of Gliese 229Ba and Gliese 229Bb orbiting each other to create Gliese 229B. The brown dwarf pair orbit a cool M-dwarf star (shown in the distance) every 250 years.