What is a starquake?

Astonishingly, earthquakes shake the US state of California almost 9,000 times a year, on average – that’s about once every hour. California’s official nickname is the Golden State, harking back to th

A hidden tectonic fault in Canada’s Yukon could be gearing up to unleash a major earthquake of at least magnitude 7.5, according to a new study. The Tintina fault, which runs from northeastern British

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,

Get sucked into an astronomical mystery as we get in a spin with the universe’s heaviest objects.

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