Extras
How America watched the solar eclipse
Millions witnessed the Moon cover the Sun on April 8, some viewers sent us their videos.
How America watched the solar eclipse
How to watch the eclipse without burning your eyes
A total solar eclipse is coming. If you want to check it out, you need eye protection.
How to watch the eclipse without burning your eyes
Rare stellar explosion will ignite a "new star"
Sometime between now and September a star will explode.
Rare stellar explosion will ignite a "new star"
The force that makes up more than half of the universe
Dark Energy was first discovered in 1998, and scientists don’t fully understand it.
The force that makes up more than half of the universe
How parrots swing like monkeys
Like monkeys, parrots are also able to travel by suspending their body weight.
How parrots swing like monkeys
The Sun is way more chaotic than you think
Every now and then the sun hurls a piece of itself into the solar system.
The Sun is way more chaotic than you think
Great American Eclipse Preview
Explore the spectacular cosmic phenomenon of a total solar eclipse.
Great American Eclipse Preview
The oldest DNA ever recovered revealed an ecosystem unlike anything that exists today.
When Camels Roamed the Arctic
Hunt for the Oldest DNA Preview
Follow the quest to recover DNA millions of years old for the very first time.
Hunt for the Oldest DNA Preview
Why is the Eiffel Tower Shaped Like That?
The Eiffel Tower was a completely novel design at the time it was built.
Why is the Eiffel Tower Shaped Like That?
Building the Eiffel Tower Preview
Explore the engineering behind Paris’s iconic landmark, the tallest structure of its time.
Building the Eiffel Tower Preview
What really led to the collapse of Easter Island?
What happened to the Rapa Nui civilization is shrouded in mystery.
What really led to the collapse of Easter Island?
How Ancient Easter Island statues “walked”
These giant stone heads were not dragged on sleds, as once thought.
How Ancient Easter Island statues “walked”
Surprising new evidence is rewriting the story of the giant stone heads of Easter Island.
Easter Island Origins Preview
When Whales Could Walk Preview
Giant fossils uncovered in the Sahara Desert reveal new secrets of how whales evolved.
When Whales Could Walk Preview
Ancient whale fossils found in the desert
What is this whale skeleton doing in the Egyptian Sahara Desert?
Ancient whale fossils found in the desert
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