23 June 2015, 02:46 PM ET
Researchers at the University of Hawaii and the University of Tokyo studied sharks' swimming habits using fin-mounted cameras.
23 June 2015, 10:20 AM ET
Luminous, filamentous noctilucent clouds glow over the North Pole in new NASA images.
21 June 2015, 08:41 AM ET
The desert ironwood tree, Olneya tesota, can be found growing only in the Sonoran Desert of Mexico, California and Arizona. Check out these spectacular photos of ironwoods.
21 June 2015, 12:54 AM ET
This Sunday (June 21) marks the summer solstice, the official start of summer in the Northern Hemisphere.
19 June 2015, 10:00 PM ET
Temperatures rise and the livin' is easy.
19 June 2015, 08:24 PM ET
U.S. officials destroyed more than 1 ton of illegal ivory in New York City on June 19, 2015.
19 June 2015, 07:32 PM ET
Some 1,500 people gathered in New York City's Times Square today to witness the destruction of 1 ton of confiscated ivory — a move intended to demonstrate to the world that objects made from poached ivory have no value.
19 June 2015, 02:00 PM ET
Scientists found that species are dying off more than 100 times faster than they would without human activity.
18 June 2015, 03:50 PM ET
Pope Francis just released a long document on man's relationship to the Earth, but will his call for action on climate change have an impact?
18 June 2015, 02:49 PM ET
Pope Francis' climate change encyclical has been released. Here are 4 main points from it.
18 June 2015, 02:10 PM ET
Oklahoma is not known for its earthquakes, but in recent years episodes of ground shaking have surged, with the U.S. Geological Survey releasing a rare warning last May saying the risk of a damaging earthquake in Oklahoma had significantly increased.
18 June 2015, 01:52 PM ET
In a public display against elephant poaching, U.S. officials will pulverize a huge store of illegal ivory tomorrow (June 19) in Times Square, in the heart of New York City.
18 June 2015, 07:22 AM ET
Researchers have found that the vast majority of brimstone — reverently referred to in biblical times as "burning stone," but now known more commonly as sulfur — dwells deep in the Earth's core.
17 June 2015, 07:02 PM ET
The planet is crawling with tiny spies: Hidden undersea microphones, instrument-clad satellites and infrared cameras are listening, watching and smelling all the action on planet Earth, from a migrating whale to a meteor crash.
16 June 2015, 07:50 PM ET
Tropical Storm Bill lurks menacingly near the coast of Texas in a photo taken from space yesterday (June 15).
16 June 2015, 06:45 PM ET
The incredible energy unleashed by the magnitude-7.8 earthquake that hit Nepal on April 25 moved Mount Everest, the world's tallest peak, more than an inch to the southwest.
16 June 2015, 05:33 PM ET
Three days of GOES-East satellite imagery has been compiled to show the progress of the storm over the Gulf of Mexico from June 14th-16th, 2015. It makes landfall on the Texas coast on June 16th.
15 June 2015, 02:54 PM ET
Winter clouds hang low over the coast of Peru in a new bird’s-eye image from NASA;s Terra satellite.
15 June 2015, 01:01 PM ET
For generations, Bedouin nomads living in the Egyptian coastal resort Abu Dabbab by the Red Sea have heard noises like the rumbling of a distant quarry blast or cannon shot accompanying small quakes in the area. And now researchers know why.
13 June 2015, 11:09 PM ET
Old concrete is not known for standing up to earthquakes, but retrofits made with carbon fiber and shape memory alloy may change that assumption.
13 June 2015, 12:06 PM ET
No matter how thrilling this movie may be, one question will plague me throughout: where are the dung beetles?
13 June 2015, 09:07 AM ET
Faced with a rapidly changing habitat, polar bears are adapting with a new entrée: For the first time, a polar bear was seen preying on a white-beaked dolphin carcass that had been trapped in the ice in Svalbard.
11 June 2015, 12:09 PM ET
Hundreds of thousands of low-rise concrete buildings in the U.S. have not been retrofitted for earthquake safety.
10 June 2015, 05:01 PM ET
A new program to help college women resist rape was able to reduce the risk of rape by nearly 50 percent during participants' freshman year, a new study finds.
10 June 2015, 04:20 PM ET
Unexpected algae leaves clues to an ancient environment
10 June 2015, 11:00 AM ET
Global warming isn't going to help crops — in fact, in most countries it will destroy them.
10 June 2015, 02:52 AM ET
How many hurricanes will the United States really get this year?
06 June 2015, 10:47 AM ET
It's been one of modern biology's greatest mysteries: How did the chemical soup that existed on the early Earth lead to the complex molecules needed to create living, breathing organisms? Now, researchers say they've found a missing link.
05 June 2015, 05:04 PM ET
How did Colonial Americans rid themselves of garden pests?
05 June 2015, 03:26 PM ET
A rare striped rabbit, seen only a handful of times, has peeked out of its tropical forest home, and a graduate student got the chance of a lifetime, holding and photographing the little guy.
04 June 2015, 02:52 PM ET
The global warming hiatus — a decade-plus slowdown in warming — could be chalked up to some buoys, a few extra years of data and a couple buckets of seawater.
04 June 2015, 11:53 AM ET
Control emissions, save the world.