Featured in speed
How to speed up your sled with scientific tricks
Plunge downhill as fast as you can.
The fastest woman on Earth died setting her record
She shattered her own 2013 milestone by upwards of 100 miles—an achievement that's now Guinness official.
The Bugatti Chiron supercar broke the 300 mph barrier and set a new speed record
The run went down on a German test track.
NASCAR may be the fastest road to learning about physics
An expert explains the science.
The Dracula ant snaps its jaw shut 5,000 times faster than you can blink
It’s a snap, quite literally.
NASA’s Parker Solar Probe just smashed two all-time records on its way to the sun
And it's going to keep on smashing them.
WATCH: How far can these animals and objects move in 10 seconds?
It's the the 10-second marathon.
This Bike Is The World’s Fastest Human-Powered Vehicle
Travels at a record-breaking 90 miles per hour
Tiniest Chameleons Have The Most Powerful Tongues
Strong things come in small packages
How To Build The World’s Fastest Car
The 1,000-mph Bloodhound