Why is the universe expanding at an ever-increasing rate? This is one of the most exciting yet unresolved questions in modern ...

Albert Einstein is more than just a Nobel Prize-winning physicist who developed the theory of relativity and formula E=mc2.

The story begins with the black hole information paradox. According to relativity, anything that falls into a black hole is ...

For the first time, physicists have simulated what objects moving near the speed of light would look like — an optical ...

Planets that orbit white dwarf stars should be too hot to host alien life, theories suggest. But a new study accounting for ...