At the turn of the century, it sounded as if string theory could give us big answers about the universe. Well… has it?

Black holes, regions of spacetime in which gravity is so strong that nothing can escape, are intriguing and extensively ...

Einstein’s theory of relativity reveals that time is not fixed — it bends, stretches, and slows depending on speed and ...

Recent advancements in observational techniques have led to the capture of high-resolution images of black hole shadows, ...

String theory unifies all the forces of nature. Forces that seem very different, such as gravity and electricity, are deeply ...

The search for quantum gravity is the next big step in physics, as researchers seek to unify the physics of the very small ...

Yet according to physics, information is never destroyed. In principle, a burned book is just as readable as the original—if ...

In 1980, Stephen Hawking gave his first lecture as Lucasian Professor at the University of Cambridge. The lecture was called ...

Learn more about the images advanced telescopes could take of black holes and how they could back up Einstein’s general ...

In 1980, Stephen Hawking gave his first lecture as Lucasian Professor at the University of Cambridge. The lecture was called "Is the end in sight for ...

Kellogg Stelle was a professor of physics at Imperial College London for decades until his death last month. In 1977, he developed a particle theory of gravity that’s renormalizable, but the theory’s ...

The year 2015 was a landmark for the astrophysics community across the globe as the Laser Interferometer Gravitational-Wave ...