New Horizons was straight on course for the historic encounter with Pluto, sweeping within 7,800 miles of the dwarf planet at 31,000 mph.
The amount of water on Jupiter’s moon Ganymede may be more than on the entire planet Earth.
Stars once believed to lie in concentric rings outside the galaxy may actually be part of the Milky Way.
New observations of a distant galaxy cluster find far more younger stars than older stars than existing theories predicted.
Founder Elon Musk expects SpaceX to invest $100 million in the world’s first commercial orbital spaceport during the next three to four years.
Nobody was injured when the unmanned rocket exploded at a test site in McGregor.
SpaceX founder Elon Musk says he’s interested in putting a launch pad on a beach near Brownsville.