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
![a man and a woman lean in to kiss](https://www.popsci.com/wp-content/uploads/2021/09/15/how-to-be-sexy.jpg?quality=85&w=606)
What’s the secret to sexiness?
![What are calories?](https://www.popsci.com/wp-content/uploads/2021/09/08/taste_calroie.jpg?quality=85&w=675)
Health
What are calories?
![brave-robot-ice-cream-scoop](https://www.popsci.com/wp-content/uploads/2021/08/26/ice-cream.jpg?quality=85&w=800)
This could be the milkiest vegan ice cream ever
![Both bats and humans test out talking as infants](https://www.popsci.com/wp-content/uploads/2021/08/19/Saccopteryx-bilineata_babbling-pup-2B-credit-Michael-Stifter-scaled.jpg?quality=85&w=675)
Environment
Both bats and humans test out talking as infants
![Exercise, brainwaves, light, headaches, and more affect sleep](https://www.popsci.com/wp-content/uploads/2021/08/04/popular-science-artsopener.jpg?quality=85&w=376)