Studies show how asteroid-bashing spacecraft was “phenomenally successful”
"We now know that we have a viable technique for potentially preventing an asteroid impact if one day we had the need to"
Are UFOs just future humans watching us?
Could UFOs be our descendants traveling back in time? How would something like that work? Is it even possible?
New NASA images reveal the grim state of China’s Mars Rover
The Zhurong rover was scheduled to end its hibernation mode in December but images captured by NASA's Mars orbiter show the rover hasn't moved in months