Science
Science spans our understanding of how Earth and the cosmos work. Get the biggest news on biology, physics, space, dinosaurs, and more—along with the latest episodes of the Ask Us Anything and Weirdest Thing podcasts.
Latest in Science
![Exercise, brainwaves, light, headaches, and more affect sleep](https://www.popsci.com/wp-content/uploads/2021/08/04/popular-science-artsopener.jpg?w=376)
5 reasons you can’t sleep
![How many hours of sleep do you actually need?](https://www.popsci.com/wp-content/uploads/2019/03/18/L4AHCMFXX7W6WSSWFQQ25ULGOQ.jpg?w=675)
Ask Us Anything
How many hours of sleep do you actually need?
![met gala](https://www.popsci.com/wp-content/uploads/2019/03/18/LV7QHNA34E365ZE7RSBSIQ26WQ.jpg?w=586)
Archaeology
Women In The Middle Ages Dressed Better Than Men
![warming art](https://www.popsci.com/wp-content/uploads/2019/03/18/RXRS2VDNXY6FWSQ7HRFSUBK6UY.jpg?w=583)
Animals
Your Nose Is Bad At Warming Air
![Video Shows Just How Close SpaceX Came To Landing Its Rocket](https://www.popsci.com/wp-content/uploads/2019/03/18/REQDNJRMK26CKN4S6S3RPQ575A.png?w=755)
Private Space Flight
Video Shows Just How Close SpaceX Came To Landing Its Rocket
![Blue Origin brought the first official tourists to space](https://www.popsci.com/wp-content/uploads/2021/07/20/BlueOrigin_NewShepard_Launchalternate4.jpg?w=600)
Private Space Flight
Blue Origin brought the first official tourists to space
![A woman's face partially in shadow, aboard a suborbital, looks out a window back at Earth.](https://www.popsci.com/wp-content/uploads/2021/07/14/Sirisha-virgin-galactic-scaled.jpg?w=800)
Private Space Flight
Virgin Galactic and Blue Origin will bring science along on their joyrides
![popular-science-hot-issue](https://www.popsci.com/wp-content/uploads/2021/07/12/edletter_HOT.jpg?w=675)
Announcements
PopSci’s summer issue just dropped—and it’s hot
![flood water under park bench](https://www.popsci.com/wp-content/uploads/2021/07/12/high-water-141527-scaled.jpg?w=675)
Climate Change
Why we’re going to see a rapid rise in sunny day floods
![A view of Earth from Virgin Galactic Unity](https://www.popsci.com/wp-content/uploads/2021/07/12/virgin-galactic-unity-flght.jpg?w=655)
Private Space Flight