New data further challenge the best scientific theory of the history and the structure of the universe. But a separate recent ...

The mysterious force called Dark Energy, which drives the expansion of the Universe, might be changing in a way that ...

The building blocks of life on Earth may have been fueled by tiny sparks hopping between water droplets.

The leading explanation for all of these mysteries is known as the giant impact hypothesis. According to this story, when the ...

We are the Universe trying to understand itself. How, and why, did we come to be? Why does the Universe take the shape it ...