Planets' temperatures are largely influenced by their structural characteristics and proximity to the Sun, however, Venus ...

SpaceX made space history, as four astronauts were launched into a pole-to-pole orbit not traveled by any human before them.

A SpaceX spacecraft carrying four astronauts is on a pioneering journey circling Earth over its poles after launching Monday night from Florida.

What's happening in the skies over North Texas this month? April holds some spectacular sights in the night sky. Check out ...