Planet Earth Archive
21 September 2015, 08:50 AM ET
Even plants and animals like to leave a good impression.
19 September 2015, 08:38 AM ET
Into each life, some fall must reign.
18 September 2015, 03:04 PM ET
A spectacular rock arch in Utah is safe from collapse for now, according to a study that used a new technique to listen to the arch's natural "hum" to measure its internal health.
18 September 2015, 02:47 PM ET
Researchers recently visited two parks in Utah to monitor the health of some of the state's iconic natural arches.
17 September 2015, 04:23 PM ET
If human-caused climate change continues unabated our world could change dramatically. A new visualization was created by the National Center for Atmospheric Research that shows the ice loss if current temperature trends continue.
17 September 2015, 02:16 PM ET
There's a 97 percent chance the planet is going to have its hottest year on record.
16 September 2015, 06:52 AM ET
The Arctic ice pack has hit its annual minimum, securing 2015's dubious record as one of the least icy since satellite observations began, NASA announced.
15 September 2015, 04:33 PM ET
An unmanned aerial vehicle operated by Safety Security Rescue Research Center (SSRRC) team members captured this image of devastation in Pearlington, Miss., during a search for survivors of Hurricane Katrina.
15 September 2015, 04:12 PM ET
A dramatic photograph of a starving polar bear went viral online, but scientists say it's a stretch to definitively link polar-bear starvation to climate change.
15 September 2015, 11:06 AM ET
Scientists revive an ancient giant virus from the Siberian permafrost — a discovery with the potential to elucidate the origin of life.
14 September 2015, 04:02 PM ET
A giant superchain of volcanoes in Australia may be the largest string of continental volcanoes on Earth, new research suggests.
14 September 2015, 12:32 PM ET
Drought-fueled wildfires over the weekend destroyed hundreds of homes and killed at least one person.
14 September 2015, 07:39 AM ET
Maybe you've seen a double rainbow, but what about a double meteor strike?
11 September 2015, 02:06 PM ET
Burning all the fossil fuels on Earth would trigger enough global warming to completely melt the Antarctic ice sheet, raising sea levels by 200 feet (60 meters), and drowning major cities that are home to more than a billion people, the researchers said.
09 September 2015, 08:39 AM ET
The Middle East is known to experience dust storms, but new satellite images captured dramatic aerial views of a dust storm that recently blanketed and rolled across Iran, Iraq and the Persian Gulf.
08 September 2015, 04:14 PM ET
Unseasonable heat has much of the U.S. in its grip. Global warming will likely make heat waves more intense.
06 September 2015, 06:31 PM ET
Californians may be used to hearing about the threat of potentially deadly earthquakes, but a new study finds that quake-triggered tsunamis pose a greater risk to Southern California than previously thought.
04 September 2015, 11:38 AM ET
"And it's melting!" according to NASA. The deep ocean beneath Greenland is fueled by currents from the subtropics. This warm and salty water is melting the ice from the bottom up and much faster than the surface water.
04 September 2015, 11:33 AM ET
Will the current El Niño building in the Pacific emerge as the strongest on record? This NCAR visualization compares current sea surface temperatures with those of the powerful 1997 El Niño.
03 September 2015, 03:59 PM ET
Not to worry, Denali is still North America's tallest peak.
03 September 2015, 03:34 PM ET
Denali, formerly known as Mount McKinley, rises more than 20,000 feet above sea level.
03 September 2015, 01:07 PM ET
A leaf seems so simple, until you try to recreate its ability to store the sun's energy.
03 September 2015, 10:15 AM ET
A little oxygenated slice of paradise survives deep in an icy Antarctic lake, providing a window into what life on Earth may have been like before oxygen permeated the atmosphere.
02 September 2015, 02:48 PM ET
A new global census of all the trees on Earth estimates that more than 3 trillion call this "pale blue dot" home. But the total number of trees on the planet has dropped by almost 50 percent since human civilization began.
02 September 2015, 01:00 PM ET
Mantle plumes, proposed rivers of hot rock in the Earth's mantle that stream up to the surface and form volcanic island chains, seem to anchor deep in the planet's interior, near the core-mantle boundary.
02 September 2015, 07:39 AM ET
Hurricanes Kilo, Ignacio and Jimena are seen near Hawaii in two new satellite views of these record-breaking storms. Here's why the hurricane trio is so rare.
01 September 2015, 02:56 PM ET
Seismologists have traced the path of seismic waves to create a three dimensional scan of Earth's interior.
01 September 2015, 07:10 AM ET
Grey swan hurricanes — storms with impacts more extreme than one would predict from history alone — could ravage cities in Florida, Australia and the Persian Gulf, researchers say.
31 August 2015, 03:00 PM ET
125-million-year-old microbes were trapped in ancient seafloor rocks by minerals, leaving a record from the earliest days of the Atlantic Ocean.
31 August 2015, 05:56 AM ET
An elusive sea creature that boasts a vibrant golden shell covered in thick, slimy hair was recently spotted for the first time in 31 years, researchers say.
30 August 2015, 08:42 AM ET
Common mullein, Verbascum thapsus, is a perennial herb that was first introduced into the United States in the mid-1700s. Check out these photos of a fascinating plant.
29 August 2015, 11:41 AM ET
Though meteorologists knew Hurricane Katrina would slam New Orleans with levee-toppling intensity, today's weather forecasters are even better equipped to give notice of a storm's coming havoc.