Lunar lava tubes on Earth? China completes underground moon simulation test area (video)
China has taken a new step in its long-term planning for lunar…
Ancient rocks show earliest evidence of tectonic activity on Earth
The Pilbara craton in Western Australia is made up of some rocks…
Private Ax-4 astronauts heading back to Earth early July 14: Watch it live
The private Ax-4 astronaut mission will head back home to Earth on…
