However, scientists have been baffled to discover that the inner core is actually changing shape. By looking at the ...

Even though humans have pondered the moon since the first of us looked skyward, there is still much we don't know about it.

NASA's Juno spacecraft has discovered a giant volcanic hot spot on the surface of Jupiter's hellish moon Io. The eruptions in ...

WASP-121b is like nothing in the solar system, raining liquid metal and being puffy like a marshmallow. The origins of these ...