The system is believed to be traveling at least 1.2 million miles per hour (1.93 million kilometers per hour), according to a ...

Astronomers may have discovered a scrawny star bolting through the middle of our galaxy with a planet in tow. If confirmed, ...

Europa Clipper - one of the most advanced spacecraft ever sent to another planet - aims to explore Jupiter's icy moon ...

Is Earth really exceptional?  A new book seems to reaffirm that notion.  But given the right conditions, primitive life may be a mere byproduct of biophysics.

Astronomers at the NASA Goddard Space Flight Center may have discovered a star hurtling through the Milky Way with a planet ...

Launched in 1990, the Hubble Space Telescope is a joint ESA/NASA project. It has become one of the most important science ...

NASA's long-awaited mission ... can collect enough sunlight while near Jupiter to power the craft, measure about 46.5 feet long and about 13.5 feet high. Though mission engineers plotted orbits ...

The researchers were able to make this discovery by using the CRyogenic high-resolution InfraRed ... Just last year, NASA reported that a different 'hot Jupiter' planet, named WASP-43 b, around ...

A massive hotspot - larger the Earth's Lake Superior - can be seen just to the right of Io's south pole in this annotated image taken by ...