Chandra uncovering the high-energy universe

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,

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

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

A supermassive black hole has been discovered that formed when the Universe was just 3 per cent of its current age – around 500 million years after the Big Bang, or 13.3 billion years ago. Found in th

In the 17th century, the great maritime nations were vying to solve a puzzle that had confounded philosophers for many centuries: how to determine exact positions on the Earth’s surface. And in Britai