What is a quasar?

Neutron stars can suffer quakes far more powerful than anything on Earth

On 23 July 1999, Space Shuttle Columbia launched its heaviest-ever payload: the Chandra X-ray Observatory, a new flagship telescope for NASA. It is the world’s most powerful X-ray telescope, capable o

New model suggests Hawking radiation is speeding cosmic decay Scientists have long predicted that the Universe’s lifetime is effectively forever – specifically, 101100 years. But now scientists from R

Galaxies come in all sorts of shapes and sizes. They can be broadly classified as spiral, elliptical or irregular, but each of these still leaves plenty of scope for variety. Take, for instance, the s

What would you say if intelligent aliens came calling?

On 29 July 2021, more than four centuries after the invention of the telescope, the man who initiated a revolution in astronomy was finally honoured with a life-sized bronze statue. In the herb garden