Science is a story of coming up with theories then doing our best to disprove them. That is especially true for theories on a ...

For more than two decades, astronomers have wrestled with one of the biggest mysteries in science: what is driving the ...

Dark energy —the term used to describe whatever is causing the universe to expand at an increasing rate—is one of the universe's greatest mysteries ...

A new emulator is tackling the near-impossible task of mapping the universe's large-scale structure without sacrificing ...

For all our telescopes and colliders, dark matter has remained an elusive ghost for the better part of a century. It ...