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A strong G3-class geomagnetic storm sparked auroras over both poles of Earth this past weekend. Hunter Davis, at the South Pole, captured images.
They’re called Kelvin Helmholzt clouds, aka billow clouds or shear-gravity clouds, and they look like breaking ocean waves.
Expect higher-than-usual tides for a few days following the May 25, 2017 new supermoon.
This year’s list includes a spider and an ant with names drawn from popular books, a pink katydid and an omnivorous rat.
Happening now in Denmark: “bright nights,” when the sun is never far below the horizon. Photographer and videographer Adrien Mauduit tells the story and provides stunning imagery.
And, at both the poles, sea ice extents were at or near record low levels, according to the National Oceanic and Atmospheric Administration.
Our teeth evolved from the same genes that make the bizarre beaked teeth of the pufferfish, according to new research.
For an alligator, in both love and war, it’s good to be big . An alligator’s bellow communicates just how big it is.
You’d expect sunglint from an ocean or other body of water. But the camera caught some glints over land as well. A new NASA video explains how scientists solved the mystery.
Fossils found in Australia – in ancient hot spring deposits – have pushed back the earliest known evidence for land-based microbial life to 3.48 billion years.
Controversy surrounds construction of hydropower stations on a river that feeds deep, ancient Lake Baikal.
At the end of April, just 6% of the United States was afflicted by drought. That’s a substantial turnaround from a few years ago.
Red rainbows happen when the sun is on the horizon. They’re created in much the same process that causes a sunset or sunrise to look red.
Noctilucent clouds – aka night-shining clouds – can be seen at high latitudes in summer, typically beginning for northern latitudes in late May. French photographer Adrien Mauduit in Denmark assembled his best 2016 photos into a wondrous video.
In 1898, a pair of lions ate 135 people at a railroad camp in Kenya. Scientists have analyzed microscopic wear on the lions’ teeth to find out why.
New from NASA, a short video tour of unusual and beautiful clouds observed from space.
Happy birthday May babies! Your birthstone, the emerald, is a type of beryl colored green by chromium. Perfect emeralds are among the rarest of gemstones.
Up to 1 billion birds die each year in the U.S. due to collisions with windows. Why do birds slam into windows, and what can you do to prevent it?
Twitter has been blowing up with posts on cats’ attraction to taped squares on the ground. An animal behavior expert explains what draws Fluffy to the #CatSquare.
Antarctica has 12 million penguins and 5 penguin species, according to a new report released today. But at least 2 penguin species have recently and significantly declined.
Moon and Regulus on May 30
This season’s 1st noctilucent clouds