Astronomers find universe’s missing matter

What is normal or ‘ordinary’ matter? When astronomers talk about normal matter, we’re referring to baryons. By that, we just mean ‘the stuff of atoms’ – things like protons and neutrons. How did we fi

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

A look at some of the thousands of astronomical objects visible in Hubble’s historic photograph

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,

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

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