SpaceX briefly fired up the single Raptor engine of Starship SN4, the latest prototype of the company's Mars-colonizing spaceship, during a test in Texas today (May 28).
There's a microwave power experiment heading to space Saturday (May 16) aboard the Air Force's secretive X-37B spaceplane. Researchers hope it could lead to a new global power source.
European satellites are investigating the development of two distinct weak points within the South Atlantic Anomaly of Earth's magnetic field.
Researchers using China's huge new FAST radio telescope are piecing together a technological strategy to carry out a major and sweeping search for extraterrestrial intelligence (SETI).
Mars is wetter than previously thought, but not in a way that boosts its life-hosting potential, a new study suggests.
Russia launched a military satellite to orbit on Friday (May 22), and the mission generated plenty of drama in the downward direction as well.
The new moon occurs Friday (May 22), at 1:39 p.m. EDT (1839 GMT), the same day that Venus and Mercury make a close approach.
There's many options to watch SpaceX's historic Demo-2 astronaut launch on TV, cable news and — of course — online. Here's how.
SpaceX's first launch of NASA astronauts on the Crew Dragon spacecraft, called Demo-2, will star in a two-hour live special event jointly presented by ABC News and National Geographic.