All Stories
- Planetary Science
Salt streaks sign of present-day water flows on Mars
Salt deposits on Mars hint at contemporary seasonal water flows on the Red Planet.
- Planetary Science
Salt streaks point to present-day water flows on Mars
Salt deposits on Mars hint at contemporary seasonal water flows on the Red Planet.
- Planetary Science
67P reveals recipe for a comet
Rosetta’s comet 67P probably started out as two smaller comets.
- Planetary Science
Mysterious circles appear, grow on comet
The Rosetta spacecraft caught five circular depressions quickly spreading across a region of comet 67P.
- Animals
Life in the polar ocean is surprisingly active in the dark winter
The Arctic polar winter may leave marine ecosystems dark for weeks on end, but life doesn’t shut down, a new study finds.
- Math
83-year-old math problem solved
An 83-year-old math problem concerning sequences of 1s and –1s has been solved.
- Animals
Don’t judge a whale’s gut microbiome by diet alone
Evolutionary history and diet may both determine the microbes that live in a baleen whale's stomach, researchers report.
- Anthropology
Ancient hominid ears were tuned to high frequencies
Two ancient hominid species may have heard high-frequency sounds especially well.
- Anthropology
Ancient hominid ears were tuned to high frequencies
Two ancient hominid species may have heard high-frequency sounds especially well.
- Astronomy
This weekend, lunar eclipse coincides with supermoon
On September 27, sky gazers will be treated to a rare type of total lunar eclipse.
- Neuroscience
How a fat hormone might make us born to run
Many runners finish long races in a euphoric mood. The underpinnings of this runner’s high may involve many chemicals, including the fat hormone leptin.
- Animals
Alpine bee tongues shorten as climate warms
Pollinators’ match with certain alpine flowers erodes as climate change pushes fast evolution.
