SpaceX’s giant Starship rocket may have exploded during launch this week. However, that does not mean that Elon, or humanity for that matter, is not determined to enter a new era of space exploration.

Airbus has unveiled a concept design for a gorgeous-looking space station that it says could one day orbit Earth or another planet far away. The core module has a diameter of 26 feet (about 8 meters), ...

Some of the most dramatic events in the universe are the deaths of massive stars. When stars far larger than our sun run out of fuel and explode in huge supernovas, these events not only let out huge ...

Fly about 2,600 light-years to Hubble Space Telescope imagery of the Cygnus loop nebula. See images from 2001 and 2020.

Nuclear thermal propulsion, which uses heat from nuclear reactions as fuel, could be used one day in human spaceflight, possibly even for missions to Mars. Its development, however, poses a challenge.