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How scientists know our seas are rising faster
Sea levels have been rising since the end of the last Ice Age. But, as climate warms, the rate of the rise is accelerating. A new ESA video explains how we know.
September 24, 2018
Why is Earth’s spin axis drifting?
As Earth rotates, its spin axis -- an imaginary line that passes through the North and South Poles -- drifts and wobbles. Scientists now have, for the 1st time, identified 3 reasons why.
September 23, 2018
Birds flying south. How many will return?
Contrary to popular thought, birds wintering in the tropics survive the winter better than birds wintering in the U.S. That's despite the fact that tropical wintering birds migrate 3 to 4 times farther.
September 23, 2018
Supernumerary rainbow over New Jersey
Look slightly inside a bright primary bow, and sometimes you'll see these fringes. Their numbers and spacing can change from minute to minute.
September 20, 2018
How leaves tell each other about a bug attack
"We often think of plants as being passive and at the mercy of their environment. My jaw literally dropped when I first saw these videos ... They beautifully illustrate how active and complex plants really are."
September 19, 2018
Giant iceberg A68 finally pushes off
We saw this break away from the Larsen C ice shelf in Antarctica last year. Now, finally, it's beginning to drift.
September 15, 2018
How meteorologists predict the next big hurricane
Hurricane Florence is barreling for U.S. coast, right at the height of hurricane season. How do experts know when and where the next big hurricane is going to hit? It's complicated.
September 12, 2018
Welcome to the Meghalayan age
Scientists have assigned a new name to the era we're living in. They're calling it the Meghalayan - because key data for the timing of the new age were derived from a stalagmite growing in a cave in the Indian state of Meghalaya.
September 12, 2018
Florence tracking toward U.S. coast: How to stay safe
Hurricane Florence is on track to hit the U.S. East Coast as a major storm later this week. Here are some tips if a hurricane is heading toward your area.
September 10, 2018
Summer 2018 was 4th hottest on record for U.S.
Summer 2018 - the months of June, July, and August - was the 4th hottest on record for the contiguous United States, according to a NOAA analysis
September 10, 2018
