SpaceX confirmed that one Starlink satellite recently exploded in orbit, and it is now tumbling to re-enter the planet.

There’s an intense space race back to the Moon underway — between the People’s Republic of China and the United States. Undergirding the PRC’s ambitions is a rocket known as the Long March 2, a ...

What would really happen if a star exploded close to Earth? A nearby supernova is one of the most powerful events in the universe, capable of releasing more energy in seconds than our Sun will in its ...