How can we see the afterglow of the big bang?

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

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,

Imagine you’re in a woodland, with sunlight filtering through the endless green canopy overhead. There’s uniqueness everywhere. Some trees grow bolt upright, but others are wizened and twisted. Here t

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

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