Pluto sits far out in the Solar System, small and dim, moving at a pace that barely fits human timelines. It was found in ...

First detected in 2004, the dwarf planetHaumeaquickly stood out due to its rapid rotation and elongated form. But the 2017 ...

In a blow to anyone dreaming that complex life may exist elsewhere in the universe, a new study suggests we're unlikely to ...

Today: Winter is the best season for finding bright stars. And if you only want to set aside a few minutes, 10 p.m. tonight ...

The findings potentially solve the paradox of how liquid water seems to have persisted on Mars even when the climate grew too ...

Astronauts on the International Space Station were not only treated to a sight from Earth's atmosphere recently but also ...