A new NASA satellite image has captured a rare view of an erupting volcano, revealing its bright red lava flow as seen from space.

SpaceX's plan to launch one million orbiting data centers to space worries astronomers, who say the satellite streaks caused ...

A selection of active galaxies with supermassive black holes at their centers, illustrating the variety of shapes that can result from the activity of black holes and their interaction with the ...

Analysis reveals what appears to be a channel of hot, low-density plasma stretching out from our solar system toward distant ...

After a new upgrade, a neutrino observatory in Antarctica may identify dormant supermassive black holes within our galaxy.

Should conditions be favorable, the northern lights could become visible across high-latitude regions such as Alaska, northern Canada, northern Scotland and northern Scandinavia, with the best chances ...

New research suggests that the highly magnetized remnants of stars are responsible for powering some of the universe’s most brilliant supernova explosions ...