Penguins are key indicators of the ocean's health
How China and Russia are vying to disrupt America’s military edge in outer space
The world urgently looks for alternatives to lithium batteries
Dimming the sun to cool the earth: Is solar geoengineering the future?
What are sperm whales saying? Researchers find a complex 'alphabet'
Largest-ever marine reptile found with help from an 11-year-old girl
Researchers identify new genetic form of Alzheimer’s that is present in millions of people
Orangutan in the wild applied medicinal plant to heal its own injury, biologists say
How La Niña will shape heat and hurricanes this year
Could bird flu cause a human pandemic?
The end of coral reefs as we know them
Europe is the fastest-warming continent, at nearly twice the average global rate
Startups want to geoengineer a cooler planet. With few rules, experts see big risks
Between laziness and germophobia: How often should you wash your hands?
Jane Goodall is world-famous for her work with chimpanzees. Now her focus has turned to a different crowd
An object from the sky smashed through my roof: Space debris is starting to be a problem
Camels evolved from a cold-weather ancestor. We could learn from their remarkable transformation
Highlights from the total solar eclipse
Are rainforests doomed? Not necessarily.
Moon to get its own time zone created by NASA - but clocks work differently there