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Why doesn't stainless steel rust?
The special chemistry of this shiny iron alloy creates a protective layer on its surface that prevents it from rusting.
By Harry Baker published
New simulations show that Jupiter's massive moon Ganymede was knocked off its axis when it was struck by a roughly 90-mile-wide asteroid around 4 billion years ago. The colossal collision was likely one of the biggest asteroid impacts the solar system has ever seen.
By Stephanie Pappas published
Tiny robots much smaller than blood cells could deliver clot-forming drugs where they're needed most, a study in rabbits suggests. The tech has yet to be tested in humans.
By Jennifer Nalewicki published
Why do dogs' paws smell like corn chips? A veterinarian explains the cause of this olfactory offense.
By Ben Biggs last updated
Looking to inspire the next generation of curious minds? These are our picks of the best popular science books for children of all ages.
By Jim Lucas last updated
reference Centrifugal and centripetal are two closely related forces that describe circular motion, but the meanings are often mixed up.
By Margaret Osborne published
Heat triggers a series of complex chemical reactions that change the color, flavor and texture of meat.
By Gavin Stoker last updated
The best binoculars for kids need to be lightweight, compact and easy to hold and use — we've rounded up our favorite models for kids young and old.