Planet Earth Archive
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.
28 August 2015, 10:00 PM ET
The Galápagos are more than a life raft in Pacific currents — they actually alter the Pacific currents, and in so doing, help feed the islands' residents.
28 August 2015, 03:38 PM ET
Louisiana's dramatically enlarged lakes and inundated marshes — stark reminders of Hurricane Katrina’s ferocity 10 years ago — are prominent in a new satellite image.
28 August 2015, 02:09 PM ET
Catastrophic volcanic eruptions about 250 million years ago spewed enough lava to cover Australia, triggering Earth's worst mass extinction, in which 90 percent of sea creatures were wiped off the face of the planet, scientists say.
28 August 2015, 12:34 PM ET
It has long been a mystery why some earthquakes strike towns in seemingly earthquake-proof regions, but researchers now have a potential explanation for why temblors sometimes rattle where they're not expected.
28 August 2015, 08:02 AM ET
Dreamy swirls and loops seen on satellite represent a cyanobacteria bloom in the Baltic Sea.
27 August 2015, 06:03 PM ET
New images have captured the eruption and ash plumes coming from a towering volcano that looms over Quito, Ecuador.
27 August 2015, 12:47 PM ET
Thousands died and millions were left homeless in the most destructive storm to hit the United States.
26 August 2015, 04:02 PM ET
Sea level rise is occurring right now, but the magnitude and speed of the rise in the future is still a big unknown.
26 August 2015, 12:36 PM ET
Global ocean levels have risen about 6 cm (2.3 in) over the past two decades, matching models consistent with human-induced climate change. NASA monitors sea heights and other parameters with the Jason satellite series.
26 August 2015, 08:46 AM ET
Diamonds can form with the help of ancient saltwater, say researchers who have identified the gems from oceanic crust dating back as far as 200 million years ago.
25 August 2015, 01:58 PM ET
Like a giant jellyfish floating through the atmosphere, red sprites hover above thunderstorms in two new photographs snapped from space by astronauts aboard the International Space Station.
24 August 2015, 04:46 PM ET
The ancient lunar surface once erupted with geysers of lava — and now, scientists think they know what caused these fiery fountains.
24 August 2015, 04:26 PM ET
Two scientific papers inspired a media firestorm shortly after Katrina, polarizing popular opinion and, to some extent, scientists themselves, on whether global warming was in some way responsible for Katrina.
24 August 2015, 02:52 PM ET
Solar explosions can threaten power grids even in areas near the equator, places long thought safe from such disruptions from the sun, say researchers who studied a weird flow of electricity pulsing above the equatorial regions.
24 August 2015, 11:31 AM ET
27 ‘named storms’ formed over the warm waters of the Atlantic Ocean in 2005, which spawned the most category 5 storms in a single season. NASA and NOAA tracked the paths of these killers. [On average there are only 10 storms per year.]
24 August 2015, 09:56 AM ET
Data from the GOES-5 satellite drove this simulation, illuminating the wind intensities and water vapor transport powering the massive category 5 storm, which ravaged New Orleans, Louisiana and adjoining areas in 2005.
23 August 2015, 10:38 AM ET
In celebration of its 99th birthday, the U.S. National Park Service (NPS) is providing free admission to all of its sites for one day next week.
21 August 2015, 04:03 PM ET
Oil companies plan to extract billions of barrels of crude oil from beneath Alaskan lands and Arctic seas that are at risk for environmental damage.
21 August 2015, 03:23 PM ET
The corpse flower is a pungent plant that blooms rarely and only for a short time. While it is in bloom, the flower emits a strong odor similar to rotting meat or, aptly, a decaying corpse.
21 August 2015, 12:35 PM ET
To adjust to the incredibly parched conditions in the Golden State, Californians are pumping groundwater and causing the ground to sink even faster than expected.
21 August 2015, 12:03 PM ET
A so-called fire rainbow filled the sky with a haze of colors over Charleston, South Carolina, on Sunday (Aug. 16) in a recent photo posted to Twitter by Tiffany B. Jenks.