This paper provides concrete evidence that the expanding and accelerating Universe mathematically expressed by dark energy is ...

Advances in instruments and tools, as well as focused collaborations, improve accuracy and extend the range of applications.

The Earth is moving a bit faster today. We might not feel it, but our planet is experiencing a mysterious boost to its spin, ...

The full data set from our in-depth investigation into mass shootings.

What is the speed of Earth's rotation? Here's why we don't feel a thing, even though Earth spins at 1,000 mph.