Now that roughly one week has passed since July 1, the majority of this year's notable unrestricted free agents (UFAs) have ...

From their unique vantage point in orbit, astronauts have a clear, unobstructed view of these fleeting events—something rarely possible from the ground, where clouds and weather often block the view.

NASA astronaut Nichole “Vapor" Ayers captured a stunning photo of a rare red sprite bolt above a thunderstorm over the Desert ...