Lily Norton

People began kissing under mistletoe long before office parties were invented. Life's Little Mysteries explains the romantic plant's holiday roots.

As we say goodbye to the iconic space planes, here are some of the program's most patriotic missions.

As we say goodbye to the iconic space planes, here is some trivia to remember.

As we say goodbye to the iconic space planes, here are some of the program's most notable astronauts.

Animals, particularly pets, do seem to do a better job of predicting dangerous events than humans do.

The traditions and folklore of Halloween are a hybrid of Pagan, Celtic, Catholic and ancient Roman traditions.

A few muscles could claim the title, depending on how strength is measured.

Many non-scientists still misunderstand what sea ice really is.