There is still good reason to think undiscovered fundamental particles act as gravitational glue for galaxies.
Time flows slightly faster on the Global Positioning System satellites than it does on the ground, so Einstein's relativity theory comes into play when figuring out where on Earth you are.
In a Christmas tradition, the defense organization NORAD helps us keep track of Santa as he zips around the world delivering toys.
This myth has been debunked many times—but rarely in such a fun way
Take a light-speed trip through the solar system to catch up on 2016’s biggest stories from our celestial neighborhood.Produced with support from Explore Scientific
When polls try to tease out what a group of people is thinking, what are they measuring and how can they go wrong?
Don’t settle for limp, soggy turkey skin—use science when you roast your bird to get that perfect, crackling bite.
Scientists used special microphones to let us listen in on a tickled rat’s titters.
Young inga trees give ants nectar in exchange for guard duty against ravenous caterpillers—but sometimes the ants get a better offer
For this puzzle with over 43 quintillion permutations, author Ian Scheffler explains how players have found the most efficient route to resolving a Rubik’s cube.
Author and “Speedcuber” Ian Scheffler reveals some of the math behind how you could solve the Rubik’s cube puzzle.
It carries valuable clues about how to deal with these horrible home-wreckers
Tiger shark teeth are sharp enough to munch a sea turtle, but there's a trade-off.
A mechanical exoskeleton like the Ekso GT gives patients with a spinal cord injury just enough support to help them walk.
Could Superman’s punch send you through a wormhole? Scientific American editors discussed how general relativity relates to black holes, and wormholes, and Dr. Strange’s portals.
We picked a peck of pickle pictures to show you how helpful bacteria and salt transform this cucumber into a tangy treat.
Once the plate or the planet gets too hot it takes forever to cool down, explains ClimateAdam—and in both cases, that's a problem
Tiny yellow "blindfolds" helped scientists understand more about the way Cataglyphis ants navigate.
You can't make this stuff up
Scientific American editor Steve Mirsky floated down the Colorado River with experts, who shared what they saw along the walls of this natural wonder.