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Now we know Earth blocks neutrinos
"This achievement is important because it shows, for the first time, that very-high-energy neutrinos can be absorbed by something -- in this case, the Earth."
November 27, 2017
Waving hi to ISS
Karthik Easvur created this image as the International Space Station soared over Hyderabad, India on November 22. How you can spot it. Plus, who's aboard ISS now?
November 25, 2017
Our nights are brighter, and brighter
The International Dark-Sky Association has campaigned for decades to reduce artificial light at night. Yet a new study shows our night skies still brightening at a rate of 2 percent each year.
November 24, 2017
Do dolphins get Alzheimer’s disease?
In many ways, dolphin brains are a lot like human brains. Researchers report on pathological signs of Alzheimer’s in these awesome creatures.
November 22, 2017
What monarch butterflies prefer
Will our survival strategy for monarchs work? Initiatives emphasize milkweed plantings along roadsides. New research shows egg-laying monarchs much prefer off-road farmlands.
November 21, 2017
Help astrobiologist find extreme rocks
A scientist launches a hunt for earthly extraterrestrials. Help her find them!
November 19, 2017
5 discoveries we owe to twins
Years of twin research have led to incredible insights into how our genes and the environment affect our health.
November 17, 2017
Scientists warn: Soon it will be too late to save Earth
More than 15,000 scientists in 184 countries have signed a letter urging the world to address major environmental concerns. "Soon it will be too late to shift course away from our failing trajectory, and time is running out."
November 16, 2017
Citizen inventors: NASA’s 3D Printed Habitat Challenge
Future space missions won't be able to carry all their building materials from Earth. Competitors are challenged to fabricate habitats using indigenous materials. $2 million prize!
November 14, 2017
Scientists find teeth of early human ancestor
A remarkable find of fossil teeth from tiny, furry-tailed creatures - thought by scientists to be a human ancestor - dating back 145 million years.
November 14, 2017
