A new material that requires no electricity uses the universe as a heat sink—even when the sun is shining.
The Keystone XL pipeline is a distraction from what’s really needed to solve climate change.
Scientists are developing ways to edit the DNA of tomorrow’s children. Should they stop before it’s too late?
To prevent breaches companies must strictly control which employees can access sensitive data.
The results of the latest analysis are not entirely reassuring.
A molecular diagnosis gives doctors and patients better treatment options when suspicious lumps are found in the neck.
A promising advance that came to nothing suggests what it will take to make cheap batteries for electric cars.
The world’s largest and cheapest reverse-osmosis desalination plant is up and running in Israel.
Broadband communication and custom signal-processing chips power a new brain-recording device that may one day help paralyzed people.