Seeing things such as a creepy face in satellite imagery is called pareidolia. Now, a new study says we're more likely to see angry men in random objects.
The most distant spacecraft from Earth is Voyager 1. Launched in 1977, Voyager 1 is a few billion miles farther from Earth than its sibling, Voyager 2.
Researchers in Europe are testing a prototype for walking robots on Mars or the moon. Robots like this would be faster and more autonomous than current rovers.