Many people hold Pluto close in their hearts and refuse to abandon the assertion that it is a planet, although science doesn't see it that way.

Scientists have scored a pristine view of a pair of exotic worlds orbiting a star more than 300 light-years away — one with ...

The spacecraft's tilted orbit will allow scientists to investigate the mechanisms behind space weather that impact crucial ...

Tiny radio probe called GIRO may soon reveal what lies beneath alien worlds with 100x more accuracy than current tech.

A new probe in development known as GIRO represents a low-cost step toward unlocking the secrets of exoplanets, all through the invisible pull of gravity.