"The data from the termination shock encounter will be a treasure trove for space physicists worldwide who are eager to ...

The close encounter was "a historic first of its type for a Japanese private, commercial lunar lander," according to ispace.

The annual event celebrates the discovery of the little planet with a big heart and other scientific advances at Flagstaff, ...

Feb. 18 marks the 95th anniversary of the discovery of our outermost planet-not-planet. Here's what to know about the short ...

Trans-Neptunian objects (TNOs) are icy bodies that vary widely in size, from large dwarf planets like Pluto and Eris—each ...

Whether Pluto is officially a planet is the least interesting thing about the runt of the solar system, astronomers will tell you 95 years after the discovery of the fascinating and sometimes ...