Space
Why are scientists suddenly interested in UFOs?
For decades, science mostly ignored UFOs. Then in 2015 Navy pilots started reporting them. The U.S. government enlisted scientists to investigate.
Word of the Week
Planets
Scientists Say: Theia
Clues about this ancient protoplanet's catastrophic end may have been entombed in Earth's lower mantle for billions of years.
Experiments
Planets
Experiment: Make your own craters!
Let’s make our own craters in cocoa and flour to learn how these features form throughout the solar system — and why they’re different sizes.
Technically Fiction
Animals
Werewolves could learn from other critters when to hunt
Werewolves aren’t the only creatures that undergo transformation under the full moon. But could weak werewolves be at risk of becoming prey?
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Elections and facts 🗳️
Watch This
Play the video
A springtail’s spring-loaded backflip is fast — really fast
Globular springtails can seem to vanish as they spin backwards at rates of up to 368 rotations per second! So don’t blink.
