Gravitational waves stretch and squeeze the fabric of space and time itself. When space/time is squeezed, pulsar pulses ...

The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration. At the same time several telescopes, including the Chandra X-ray Observatory ...

"We would need to consider the possibility that the source was created (or trapped as a primordial black hole) by a highly advanced technological civilization," Harvard's Avi Loeb writes.

These black holes are the most distant and stable objects we know. Using a technique called very long baseline interferometry ...

A new quantum recipe for black holes could be the first step toward a theory of "quantum gravity", the "holy grail" of ...

Welcome to Event Horizon, your weekly roundup of the best events in Minneapolis, St. Paul, and beyond. TUESDAY 7.1. Fourth of July in the ‘Burbs. Var ...

The scientists who precisely measure the position of Earth are in a bit of trouble. Their measurements are essential for the ...

A newly discovered radio halo, 10 billion light-years away, reveals that galaxy clusters in the early universe were already steeped in high-energy particles. The finding hints at ancient black hole ...

Sagittarius A* has been seen by human eyes with an "image produced by a global research team called the Event Horizon ...