In 1867, French mathematician Pierre Ossian Bonnet proved something that seemed like common sense: if you know how far apart ...

For almost two decades, scientists have debated whether sponges or comb jellies are the first animal lineage. Now some are ...

Organic chemistry is packed with rules about structure and reactivity, especially when it comes to making and breaking ...

The monument’s mysterious past has spawned countless tales and theories. According to folklore, Stonehenge was created by ...

We've narrowed down the field, but the story is not yet truly complete. You can step into the role of literary critic. Dive ...

These easy Groundhog Day crafts for kids turn a quirky holiday into a fun afternoon of cutting, gluing, and imagining burrows ...