Space Exploration

City-size comet headed toward Earth ‘grows horns’ after massive volcanic eruption

NASA’s DART asteroid impact created a 10,000-kilometer field of rock debris

NASA’s first new wind tunnel in 40 years will turn science fiction to fact

NASA begins tests on most powerful solar electric propulsion thrusters

Japan space agency rocket engine explodes during test

The ‘man in the moon’ may be 200 millions of years older than we thought