Configurations like these, known as Einstein crosses, typically consist of four distinct points of light. This particular ...

About a century ago, scientists were struggling to reconcile what seemed a contradiction in Albert Einstein’s theory of general relativity. Published in 1915, and already widely accepted worldwide by ...

Some things we see in space appear to outpace light. Now we are learning to harness these bizarre optical illusions to ...

However, a series of groundbreaking technologies are now knocking on the door of interstellar travel, injecting fiery hope ...

Astronomers have detected a collision between two black holes in unprecedented detail, offering the clearest view yet into the nature of these cosmic oddities and confirming long-held predictions made ...

Ten years ago, scientists heard the universe rumble for the first time. That first discovery of gravitational waves proved a key prediction from Albert Einstein's theory of general relativity and ...

Simon Stevenson receives funding from the Australian Research Council. He works for Swinburne University of Technology. He is a member of OzGrav and the LIGO Scientific collaboration. Ten years ago, ...

Here’s what you’ll learn when you read this story: Einstein’s Theory of General Relativity, an immensely important update to Newton's Law of Universal Gravitation, is currently our best approximation ...

It has been 10 years since the discovery of gravitational waves, which were eventually traced back to a merger of two black ...

Two black holes in deep space. (The SXS [Simulating eXtreme Spacetimes] Project via LIGO/Caltech) (CN) — A merger of two black holes “ring” in the cosmos, producing ripples in the spacetime continuum, ...

Studying black holes is immensely difficult, but with gravitational wave detection, astrophysicists do have a way to directly analyze these mysterious objects. A new study details the “clearest ...