About 5 billion light-years away from where you're sitting, in one of the most massive galaxies on record, there exists an astonishing black hole. It was only just measured by scientists who managed ...

The total value of an artist’s artworks sold at auction over a specific period. This metric reflects the artist’s overall market activity and demand in monetary terms. The middle value of all realized ...

A decade ago, scientists first detected ripples in the fabric of space-time, called gravitational waves, from the collision of two black holes. Now, thanks to improved technology and a bit of luck, a ...