The very first stars in the universe may have been much smaller than scientists thought — potentially explaining why we can't ...

Solar storms that fling magnetism across the solar system can knock out satellites, power grids, communication and navigation systems, and endanger astronauts in space. Scientists can observe these ...

An astronaut aboard the International Space Station (ISS) has captured a stunning image that catches a rare optical phenomenon known as a “sunglint” over central Africa. The photo, released by NASA’s ...

Iceland and northern Spain are expected to be two of the best places to see the celestial event, the continent’s first total ...