Compound, or catadioptric, telescopes combine lenses and mirrors for a compact option, suitable for both planetary and ...

For reference, Pluto’s average distance from the Sun is about 40 AU, so 2023 KQ14 is quite distant. At 23.4 billion miles (37 ...

If you’ve always thought of yourself as 100% Scottish, here’s your chance to find out for sure — and maybe uncover a few ...

L ast month, work began on the world’s first space-based gravitational wave detector. The European Space Agency and partner aerospace companies are developing orbiting, detector spacecraft to observe ...

Answers to those questions could come from a telescope with the world’s largest digital camera, a project with initial ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...