Earth and its neighbors orbit the sun on a relatively flat plane. But what's below this plane, and is anythign below the ...

Scientists observing it say its origin is unclear, but their theories about how it formed suggest it could hint at the ...

After more than five months in space, four astronauts on a mission known as Crew-11 are about to cut their mission short and ...

There are about 15,000 satellites orbiting the Earth. Most of them, like the International Space Station and the Hubble ...