The accelerating expansion of the universe is usually explained by an invisible force known as dark energy. But a new study ...

Researchers in Germany argue that a modified theory of gravity could explain universal expansion, removing dark energy from ...

The accelerating expansion of the universe could be explained by modifying general relativity so that gravity has mass – or so thinks a small group of physicists. Matthew Francis reports What lies ...

What is NASA Project Anchor and can gravity blackout happen ever? A viral claim says Earth will lose gravity for seven ...

Black holes are mysterious cosmic objects with gravity which are so strong that even light cannot escape. They form when massive stars collapse under their own gravity creating a dense point called a ...

Astronomers have long described black holes as cosmic traps so powerful that nothing — not even a beam of light — can claw its way free. Yet even these extreme objects have limits, and scientists say ...