Countdowns

Birds are some of the most colorful animals on Earth, with a palette of rainbow tones to feast your eyes on. Here are our picks for some of our most flamboyant feathered friends.

We've seen many big hitters capture our imagination, alongside a handful of oddities and misfits that were less successful.

Countdown Until the end of the last ice age, American cheetahs, enormous armadillolike creatures and giant sloths called North America home. But it's long puzzled scientists why these animals went extinct about 10,000 years ago.

Lasers have helped uncover ancient human-made structures the world over.

Want to experience totality again? Here are the next seven total solar eclipses across the world, from Alaska to Australia.

Archaeologists have discovered lavish and grisly burials the world over.

From "diamond rings" to Baily's beads, here's what to look for today during the brief darkness within the path of totality.

On Pi Day (March 14) we celebrate perhaps the most iconic irrational number on Earth. From its ancient origins to the unanswered questions, here are some of the most surprising facts about pi.

Here's why ancient Egyptians buried their dead with certain grave goods, such as the "Book of the Dead," gold tongues and scarabs.

Reference Google Earth and satellite imagery has revealed some strange things, from secret military bunkers in China to phantom islands to a mysterious pentagram in Kazakhstan.