Policy & Ethics
Policy & Ethics
EARTH
EARTH
Ancient Earth's Weakened Magnetic Field May Have Driven Mass Extinction
Space
Space
Monster Magnetar Pinpointed as Trigger of Ultrabright Stellar Detonation
Evolution
Is This the Footprint of One of the Last Neandertals?
The fossilized print, found in Gibraltar, is said to date to 28,000 years ago, which might mean it belonged to a Neandertal. But not everyone agrees with that interpretation
Policy & Ethics
Policy & Ethics
Bold Plan? Replace the Border Wall with an Energy–Water Corridor
EARTH
EARTH
Ancient Earth's Weakened Magnetic Field May Have Driven Mass Extinction
Space
Space
Monster Magnetar Pinpointed as Trigger of Ultrabright Stellar Detonation
Conservation
Grazing Deer Alter Forest Acoustics
Space
Space
Be Kind to Extraterrestrials
Climate
Climate
Scientists Track the Source of Soot That Speeds Arctic Melt
Policy & Ethics
Policy & Ethics
Venezuela Is Unraveling—So Is Its Science
Public Health
Public Health
The Risks of Water Insecurity
Most Popular
Bold Plan? Replace the Border Wall with an Energy–Water Corridor
Building solar, wind, natural gas and water infrastructure all along the U.S.–Mexico border would create economic opportunity rather than antagonism
Humans Are Still Mating with Neandertals
A Valentine’s Day meditation on why bright women sometimes gravitate to not-so-bright men
Be Kind to Extraterrestrials
We need to tread lightly if we encounter alien ecosystems
How Many Creationists Are There in America?
A new survey shows the number can vary considerably depending how you ask questions about evolution
Wolves and Wolverines: A Complicated Relationship
The larger mammal will prey on the smaller, but wolverines prefer areas occupied by wolves over areas that aren’t
Why Do the Northern and Southern Lights Differ?
Scientists have discovered the culprit: how the sun squeezes Earth’s magnetic tail
Special Report
The Science of Falling Walls
Computing
Berlin conference spotlights world-shaping science
Editor's Picks
Videos
Bringing a Fossil to Life: Reverse Engineering Locomotion
How an animal moves can tell scientists a lot about how it lives. That is how researchers hope to learn more about an ancient crocodilelike creature called Orobates pabsti ...
