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Researchers find double crater in Sweden
They are evidence of two enormous meteorite impacts, a twin strike that happened around 460 million years ago.
September 17, 2015
2015 Arctic sea ice minimum 4th lowest
The 2015 Arctic sea ice minimum summertime extent is the 4th lowest since observations from space began, according to a NASA analysis of satellite data.
September 15, 2015
El Niño this year: What will it bring?
An El Niño is building that's expected to culminate in the fall and last until the winter and could possibly become a “mega” El Niño.
September 14, 2015
The amazing tongue of the hummingbird
Drinking nectar requires a tongue that fits the flower and works like a pump. Cool video!
September 14, 2015
Earth has 3 trillion trees, says study
That's more than previous estimates. But the number of trees has dropped by 46% since the start of human civilization, says the study.
September 12, 2015
Super stonehenge found below ground
Archaeologists have found evidence for a circle of 90 huge standing stones buried near Stonehenge.
September 9, 2015
Is the pronoun ‘I’ becoming obsolete?
Thinking of plants and animals - including humans - as independent individuals might be an oversimplification, according to modern thinking in microbiology.
September 6, 2015
Giant sea scorpion was ancient sea predator
Scientists have discovered a person-sized sea scorpion that lived 467 million years ago.
September 4, 2015
What is the Yellowstone supervolcano?
Beneath Yellowstone National Park lies a volcanic hotspot. The most recent enormous eruption occurred 640,000 years ago. What's going on now?
September 4, 2015
Plastic bits in 90% of seabirds
A new study estimates that almost all seabirds have eaten plastic.
September 2, 2015
