Looking for a sky event this week? Check out our full Sky This Week column. November 26: Jupiter passes south of Pollux Dwarf ...

These images mark an early milestone in the mission, confirming that OSIRIS-APEX is healthy and on course for its 2029 ...

Researchers have pinpointed a super-Earth in the habitable zone of a nearby M-dwarf star only 18 light-years away.

Astronomers are just beginning to scratch the surface of the complex, and sometimes violent, relationships between planets ...

Several small worlds beyond Jupiter are not just frozen rubble. Beneath their shining skins, many hide oceans of liquid water ...