Scientists discover a galaxy made almost entirely of dark matter

World's largest scale model solar system spans 11 Swedish cities

Put yourself in Curiosity's shoes with 360-degree view of Mars

The International Space Station is adding a taxi parking spot

5 planets gather together in the night sky for a celestial hangout

A tiny part of your suntan was billions of years in the making

Earth-like planet found around our nearest neighbor star

What problems can solar storms cause?

Our solar system may have another orbital plane full of weird planetoids

Sublime images of Mars lay groundwork for 2020 rover mission

Strange structures orbiting distant star could still be proof of aliens

Watch as the sun vaporizes the fastest object in the solar system