The LIGO and Virgo collaboration has observed more cosmic collisions after their equipment upgrades in April 2019
Deep Space
Deep Space
Astronomy
LIGO and Virgo are back in business to search for more gravitational waves
After upgrading the mirrors, lasers and other important components, the hunt for ripples in space and time is back on
Deep Space
What’s at the centre of a galaxy cluster?
Gemma Lavender gets to the bottom of this question for us
Deep Space
Astronomers detect gravitational waves from merging neutron stars for first time
Before now, the ripples in space-time had only been detected from black-hole mergers
Deep Space
New gravitational wave detection reveals ripples from black hole smash
This is the first three-detector observations made of these waves in the fabric of space-time
Space Exploration
Goodbye, LISA Pathfinder: ESA deactivates gravitational wave mission
The spacecraft has been switched off as planned on the evening of 18 July, ending its successful mission which surpassed all expectations
Astronomy
How can I see Comet ISON?
Brightening further in the pre-dawn sky, will ISON live up to the “Comet of the Century” title? Here’s our guide on what should happen – and how best to see it – if it survives its close encounter with the Sun.