Physicists may need to come up with a new theory for how the universe works, after a dark energy experiment has produced confounding results.

The largest-ever three-dimensional map of the cosmos, plotting out some 15 million celestial objects, could help reveal the ...

A ntarctica isn’t a floating chunk of ice like the Arctic. Beneath its frozen surface sits a solid continent of mountains, ...

Many cruise lines offer offshore excursions, some better than others, but mapping your own route is part of the fun. Consider ...