In the News
What Does 'Caucasian' Really Mean?
Sept. 28 By Austin Henderson, John Donovan
Exploring the Chinese Space Station Project
Sept. 20 By Desiree Bowie, Patrick J. Kiger
When Was the Eiffel Tower Built? Eiffel Tower History and Future
Sept. 14 By Carrie Whitney, Ph.D.
Primary Colors Are Red, Yellow and Blue, Right? Not Exactly
Sept. 13 By Desiree Bowie, Michelle Konstantinovsky
Why Does the Secret Service Protect a President's Adult Children?
Aug. 31 By Dave Roos
How Long Can a Person Safely Hang Upside Down?
Aug. 31 By Jesslyn Shields
How Do You Clean Up an Oil Spill?
Peat Bogs Are Freakishly Good at Preserving Human Remains
Water 'Witches' Pit Science Against Folklore in Search of Groundwater
The TSA Says Peanut Butter Is a Liquid; Physics Says They're Right
Willie O'Ree's Unsung Story of Breaking the NHL's Color Barrier
Quiz: Finish That Jingle!
What Does 'Shana Tova' Mean?
Noted Scholar Wants More Stories of Hope in Holocaust Teachings
Audubon's 'Lights Out' Program Kills the Lights to Save the Birds
Why Are Snails and Slugs So, Well, Sluggish?
The Bullet Ant's Sting Packs a Painful Punch
Do Kangaroos Really Box?
A River Runs Through It
The 9 Longest Rivers in the World: From the Nile to the Congo
When it comes to rivers, longest doesn't necessarily mean biggest, and length can be difficult to determine, so the top spot will always be debated.
Get Your Garden On
Deserts of the World
5 of Earth's Highest Deserts
Not all deserts have sand and they're certainly not all hot. They're just extremely dry and have little vegetation. That means deserts are located all over the planet, including at super-high elevations.