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Why did Tsavo lions eat people?
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.
May 6, 2017
Earth clouds from space
New from NASA, a short video tour of unusual and beautiful clouds observed from space.
May 4, 2017
Why birds smash into windows
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?
April 28, 2017
Why cats can’t resist (even a phony) box
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.
April 25, 2017
Happy World Penguin Day
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.
April 25, 2017
Growing crack in Larsen-C ice shelf
The European Space Agency is monitoring the progress of the crack in Antarctica's Larsen-C ice shelf. The crack is eventually expected to produce a massive iceberg.
April 20, 2017
New global map of Earth at night
First new global map of Earth at night since 2012, dubbed Black Marble. It shows city lights, boats on the water, how people follow geography, population patterns and more.
April 14, 2017
More ways sun storms can disrupt things
Scientists are learning more about the way storms on the sun can disrupt our communications satellites and ground-based electric grids.
April 14, 2017
California superbloom from space
Thanks to years of drought followed by above-average rainfall, California is enjoying a fantastic wildflower superbloom in 2017. See before-and-after space images here.
April 13, 2017
Southern lights over South Pole
Hunter Davis sent these photos from Antarctica this morning of the aurora australis - or southern lights - now appearing over Earth's South Pole.
April 11, 2017
