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

Ten years ago, on 14 September 2015, a new window on the Universe was opened, giving us a novel way of studying exotic, high-energy objects such as black holes and neutron stars: the first direct dete

New Horizons was the first mission sent to explore Pluto, conducting a fly-by in July 2015. It was then redirected for a close pass of a much smaller Kuiper Belt object, Arrokoth, in January 2019. Tod

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

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,

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