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Moon craters reveal Earth’s history
Most scientists believe the moon and Earth have been bombarded by meteorites at a constant rate for the past few billion years. New research suggests that - in the past 300 million years - it's been happening 2 to 3 times more frequently.
January 23, 2019
What made this giant spinning ice circle?
Crop circles step aside! A giant ice disk has been found on the Presumpscot River in Maine. The fascinating phenomenon is attracting thousands of onlookers, including ducks.
January 21, 2019
Is winter miserable for wildlife?
Ever wonder if the animals you see outside your window in winter are doing OK? Don't worry – they're doing better out there than you would.
January 21, 2019
Insects get old before they die
Short-lived insects, like crickets, “get old," - that is, lose some of their physical abilities – before they die, new research shows.
January 18, 2019
Did life on land arrive far earlier than thought?
New clues from fossils from the oldest soils on Earth suggest that multicellular, land-dwelling organisms might have emerged much earlier than we thought.
January 17, 2019
Whales share songs from other oceans
Singing humpback whales from different ocean basins seem to be picking up musical ideas from afar, and incorporating these new phrases and themes into their songs.
January 16, 2019
Oceans warming even faster than thought
A new analysis has found that Earth's oceans are heating up 40% faster than a United Nations panel estimated 5 years ago.
January 14, 2019
The shrinking Aral Sea
The Aral Sea was once the world's 4th-largest lake. But in the 1960s, the Soviet Union diverted 2 major rivers to irrigate farmland, and the Aral Sea has been slowly disappearing ever since.
January 13, 2019
Black carbon from Gulf War shows up in Tibet glacier
A study traces black carbon from 1991 Kuwait oil fires to ice in northern Tibet. Researchers say this soot could affect glacier melt at the Tibetan plateau, considered the "Water Tower of Asia."
January 11, 2019
Watch hummingbirds feed – and fight – in slo-mo
Turns out some hummingbird bills have evolved for fencing as well as sipping nectar.
January 11, 2019
