All Stories
- Physics
Tiny particles propel themselves upstream
Light-activated, human-made particles can align themselves with the flow of a fluid and swim upstream.
- Neuroscience
Zipping to Mars could badly zap brain nerve cells
Charged particles like the ones astronauts might encounter wallop the brain, mouse study suggests.
- Plants
How slow plants make ridiculous seeds
Coco de mer palms scrimp, save and take not quite forever creating the world’s largest seeds.
By Susan Milius - Animals
Lazy sunfish are actually active predators
Ocean sunfish were once thought to be drifting eaters of jellyfish. But they’re not, new research shows.
- Animals
Beetle’s toxic, explosive vapor explained
From a two-chambered gland in their rears, bombardier beetles unleash a toxic, blazing hot spray to defend themselves.
By Beth Mole - Physics
Explanation for G’s imprecision stumbles
A surprising new result seems to suggest that subtle changes in Earth’s rotation rate could account for physicists’ difficulty in measuring Newton’s gravitational constant. But some confusion with dates appears to derail the finding.
By Andrew Grant - Planetary Science
MESSENGER mission ends with crash landing on Mercury
The MESSENGER mission to Mercury came to a spectacular end as the probe crashed into the planet’s surface.
- Genetics
DNA disorganization linked to aging
Changes in the way that DNA is tightly packed in cells leads to mayhem that promotes the aging process.
- Animals
Climate change revs up extinction risks
One in six species on the planet may face extinction if the global temperatures continue to rise.
By Beth Mole - Animals
Rock-wielding monkeys make adjustments when cracking nuts
Videos show that monkeys carefully pound open nuts to avoid smashing kernels inside.
By Bruce Bower - Plants
Medfly control methods were ready for pest’s influx
50 years ago, researchers prepared to greet Mediterranean fruit flies with sterile males.
- Planetary Science
Pluto’s landscapes come into view as New Horizons closes in
The New Horizons spacecraft sees surface markings and a possible polar cap on Pluto as it closes in for a July encounter.