"The most likely explanation for the dimming is a brown dwarf – an object heavier than a planet but lighter than a star – surrounded by a vast and dense ring system." ...

There are two main types of antagonists in Star Trek. Sometimes an entire alien race, such as the Borg, the Romulans or the ...

Enceladus’s geysers power vast electromagnetic wave systems that redistribute energy throughout Saturn’s magnetosphere.

Astronomers have found a rocky planet where it should not exist, orbiting far from a cool red star. Could this strange ...

Discover the Kuiper Belt: a frozen ring of dwarf planets and trillions of icy bodies, currently being explored by NASA's New Horizons mission.