TRAPPIST-1 is a red dwarf star located about ...

GLOBAL EYE

From colliding galaxies to supermassive black holes, we take a look at some of the strangest sights in the universe

Amazing answers to your curious questions

From strange lights in the sky to rocks that spontaneously glide across the ground, the mysteries scientists are trying to finally crack

Astronomers love a challenge. They place their observatories on the highest mountains, in the driest deserts, on the coldest ice shelves, beneath the deepest oceans, in orbit around Earth and the Sun,