During its original network run in the 1960s, Star Trek was famously saved from cancellation twice by fan letter-writing ...

Most stars in the cosmos are small, cool red dwarfs, yet the only intelligent life we know orbits a relatively rare yellow ...

Scientists have discovered a rogue planet roaming the Milky Way after combining observations from Earth and a space telescope ...

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