Records from Albert Einstein's final years are being published as a book around 20 years after their discovery, as ...

The mind-bending concept of time dilation results from a seemingly harmless assumption—that the speed of light is the same for all observers.

The International Rescue Committee (IRC) is alarmed by the abrupt closure of learning centers in the Rohingya refugee camps in Cox’s Bazar, which will leave nearly 500,000 children without access to ...