The theory of “pebble accretion” explains how infant worlds got so big so quickly
By Alexandra Witze
Materials that manipulate light and sound in ways not seen in nature may be ready for prime time, improving imaging and communications
Global warming and agricultural runoff have driven the loss of oxygen in oceans around the world, with looming ecological consequences.
Flipping the scientific thinking on our species’ “difficult childbirth”
By Kendall Powell
Batteries are the weak link for wearable and implantable devices. But what if you could harvest energy from the heat, sweat or vibrations of the wearer?
By Charles Q. Choi
Artificial lights spell darker times for much of the planet’s wildlife — but it doesn’t have to be that way
Despite numerous studies and 30-plus genomes under their belts, scientists are still struggling to nail down the defining traits of these tall, long-lived, woody plants
Once rare, sensitivity to the legume is now the most common cause of fatal allergic reactions to foods. New therapies might help.
The dark side of “service with a smile”
By Chris Woolston
Passing chunks of ice can fertilize ocean waters and play a role in the planet’s carbon cycle
By Lindzi Wessel
Beginning in its bleak borderlands, the country launched an official — and broadly influential — effort to improve food and lifestyle choices, using everything from cozy fireside chats and reality TV shows to laws and incentives.
Ten years after an influential book proposed ways to work with — not against — the irrationalities of human decision-making, practitioners have refined and broadened this gentle tool of persuasion
The mass die-offs of Earth’s past may hold clues to our future
Fat buildup in the body’s filter organ can lead to scarring and worse. In step with obesity and diabetes, incidence is on the rise and a race for a cure is on.
Colliding neutron stars sent out a gravitational wave as well as new clues about where gold, platinum and other atoms are forged.
Our bodies and abilities deteriorate with age, and sight is no exception. Physical changes to the visual system cloud it in multiple ways.
In the US, where political parties have increasingly staked claims on one side of the issue or the other, beliefs may be more about belonging than facts
Advances in the lab are adding variety, efficiency and precision to age-old brewing traditions
Medications can control HIV, but not eliminate it. Scientists hope to one day vanquish it completely.
By Amber Dance
As world food needs rise, so does the need for faster, more efficient plant growth. Bypassing an error-prone enzyme is one way to do it.
The world’s earliest aeronauts possess a panoply of adaptations to help them navigate the skies.
How the body’s own defense cells can be turned into tiny, programmable assassins to battle cancers and other disorders
Some people swear by it, but studies of mindfulness have a long way to go
Genetically engineered gut bacteria hold promise for safe, targeted therapies
Scientists make progress in mapping the hidden force behind the watery eruptions
A not-so-simple affliction of the sinuses engenders misery, $8 billion in yearly costs and overuse of antibiotics