Mars samples that could help us find alien life are stuck there until at least 2035, NASA says
Dozens of samples of rock and sediment collected from Mars that could be used to detect ancient microbial life could be ...
Why do falcons have stripes under their eyes? The answer is more complex than we thought
Falcons are found worldwide, from the fast and slick hobbies to the large and powerful gyrfalcon of the Arctic tundra. In ...