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Which bird migrates the farthest?

Over its lifetime of about 25 years, an Arctic tern can fly nearly 3 times the distance from the Earth to the moon.

Day and night exactly equal at equinoxes?

We’re coming up on an equinox, a word that means “equal night.” Days and nights are nearly equal across the globe now. Nearly, but not quite. Here’s why.

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.

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.”

spacecraft voyager 1

Here’s the 1st-ever portrait of Earth and moon from a distance

On September 18, 1977, as it headed toward the outer solar system, Voyager 1 looked back and acquired a stunning image of our Earth and moon.

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.

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.

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.

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.

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