COLUMBIA, S.C. — We have two holidays to celebrate this week - Saint Patrick’s Day and the start of spring. Today’s experiment ties in both of those holidays. The experiment, sometimes called "walking ...

The earliest ancestors of the crocodile evolved around 235 million years ago. These prehistoric predators have an impressive array of abilities, some of which helped their predecessors survive two ...

Place cups in a row (I used five cups). Fill the first, third and fifth cups most of the way full. Add food coloring to the water. To make a rainbow effect, add a few drops of blue color to the first ...

The following essay is reprinted with permission from The Conversation, an online publication covering the latest research. Space agencies and private companies already have advanced plans to send ...