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Biggest five – or six? – mass extinctions ever
Over 99% of all the animal species that have ever lived are now extinct. Here are Earth's biggest extinctions, in under 5 minutes. New video from AsapSCIENCE.
April 24, 2015
Calbuco volcano in Chile erupts
Amazing photos and videos of Chile's Calbuco volcano, which began erupting Wednesday for the first time in over 42 years.
April 23, 2015
More earthquakes due to human activities, says USGS
Of the eastern and central U.S. states studied so far, Oklahoma is by far the worst-hit in recent years. Texas, Kansas, Colorado, New Mexico and Ohio all have had more earthquakes in the past year.
April 23, 2015
Watch the Arctic ice pack vanish
Decades ago, most of Arctic's winter ice pack was made up of thick, perennial ice. Not anymore. Watch the change in this one-minute animation.
April 23, 2015
Special Earth Day video: The Untouched
It showcases the beauty of nature and tries to convey that "we can’t reverse time to travel back to bring back all that we have lost by mistake."
April 21, 2015
Celebrate Earth Day 2015 with NASA
Share pics and video of your favorite places on Earth to social media with hashtag #NoPlaceLikeHome.
April 21, 2015
What’s the real deal with shark attacks?
Sharks are incredibly unlikely to bite you. They’re even less likely to kill you. However, we remain fascinated with their ability – and occasional proclivity – to do just that.
April 21, 2015
From fins to legs to fins again
Marine tetrapods, a group of animals including whales, dolphins, seals, and sea turtles, have moved from sea to land and back to the sea over the last 350 million years
April 20, 2015
Ocean acidification drove Earth’s largest mass extinction
New evidence suggests that ocean acidification played a key role in the Permian–Triassic mass extinction event 252 million years ago that killed most life on Earth.
April 20, 2015
What is the smell of rain?
The word for it is "petrichor." It’s the name of an oil that’s released from Earth into the air before rain begins to fall.
April 18, 2015
