
When was math invented?
Humans started counting tens of thousands of years ago, but when did they begin figuring out advanced arithmetic, algebra and even calculus?
By Jess Thomson published
Discover interesting facts about why plants are green, if they feel pain, and if they get cancer.
By Patrick Pester published
Satellite data revealed that Houston is the fastest-sinking city in the U.S., and that all of the other biggest cities are dropping in at least some areas. Researchers say groundwater extraction is largely to blame for the sink.
Discover the research changing our understanding of the world
Extraordinary images of our sublime universe
Science questions, answered
A look at the weird and wonderful species that live on our planet
Test your knowledge of everything from space to nature
Unusual case reports from the medical literature
A window onto extraordinary landscapes on Earth
Medical conditions you may never have heard of before
A glimpse into how people lived in the past
Incredible images of our planet from above
Our roundup the biggest discoveries and top science in the news each week
By Tantse Walter published
Buying guides These are the best air purifiers for pets, from Levoit Vital 200S and AirDoctor AD3500 to SwitchBot Table Air Purifier.
By Elana Spivack published
Primatologists explain how apes and monkeys differ.
By Sascha Pare published
How good is your knowledge of big cats? Let's find out if you've got the eye of the tiger in this quiz.
By Pandora Dewan published
Very little is known about Powelliphanta augusta, an elusive snail species threatened with extinction. The new footage is the first time their bizarre egg laying behavior has been captured on camera.
By Stephanie Pappas, Kristina Killgrove last updated
New pope's schedule will be 'exhausting.'
By Ben Turner published
The world's largest particle collider produces roughly 89,000 gold nuclei every second, all from smashing lead atoms together at near-light-speed.
By Ben Turner published
The National Institute of Standards and Technology's new cesium fountain clock is one of the most precise atomic clocks ever created.
By Joanna Thompson published
Physicists have used a novel technique to observe individual atoms interacting in free space for the first time ever. The new technique confirms a century-old quantum mechanical theory.
By Ben Turner published
The new super-strong copper alloy can be used to build better airplanes and spacecraft.
By Akhil Bhardwaj published
Opinion The U.K. government is developing a program that seeks to identify murderers before they commit the ultimate crime. The real-world application of this type of tool will have devastating consequences.