Planet Earth Archive
11 April 2016, 01:38 PM ET
Matter is the “stuff” of the universe. There are five known phases, or states, of matter: solids, liquids, gases, plasma and Bose-Einstein condensates.
11 April 2016, 07:23 AM ET
By melting the planet's ice, climate change is causing Earth's poles to drift. What's next?
08 April 2016, 03:06 PM ET
After reaching an exceptionally strong peak, El Niño is waning. A La Niña could follow next fall.
07 April 2016, 11:54 AM ET
Now, even those who can't make it to Africa can get an unforgettable look at Victoria Falls.
07 April 2016, 10:01 AM ET
The microbes that once thrived around deep-sea shipwrecks in the Gulf of Mexico have transformed significantly after the Deepwater Horizon oil spill in 2010, according to a new study.
07 April 2016, 07:39 AM ET
Looking for a good way to cool off this summer? Try jumping in a freshwater lake.
06 April 2016, 12:06 PM ET
Literally choked by dirty air, China has now become a global force for clean energy.
05 April 2016, 07:00 AM ET
A project under way off the coast of Mexico may finally resolve a longstanding controversy.
04 April 2016, 02:49 PM ET
The roar of a volcano erupting on a remote Alaska island reveals important details about the blast, such as its size and location, a new study reports. And now scientists are listening.
02 April 2016, 08:38 AM ET
Climate change has taken its toll on civilizations throughout history but what can we learn from the past?
01 April 2016, 03:48 PM ET
Australia's Great Barrier Reef corals are in trouble, with the northern part of the reef experiencing "the worst mass bleaching event in its history."
01 April 2016, 02:01 PM ET
The weird weather pattern that hatched California's ongoing drought is becoming more common, and could bring more extreme dry spells in the future, a new study finds.
01 April 2016, 01:42 PM ET
“This has been the saddest research trip of my life,” says Prof. Terry Hughes, National Coral Bleaching Taskforce. Video from March 16th, 2016 shows reefs from Cairns to Papua New Guinea in distress.
01 April 2016, 10:22 AM ET
A period of 'global cooling’ of just .6°C during the years 1500 to 1850 caused droughts that led to wars in Europe. Climate historian Dagomar Degroot studies that period, explains how climate change led to a call to arms.
31 March 2016, 01:46 PM ET
A recent high-profile study led by US climatologist James Hansen has warned that sea levels could rise by several meters by the end of this century. How realistic is this scenario?
28 March 2016, 10:12 PM ET
Man-made activities are putting Oklahoma and some of its neighboring states in danger of having an earthquake of California-size proportions, the United States Geological Survey (USGS) reports.
28 March 2016, 03:32 PM ET
Their explosive power and tons of debris have wreaked havoc on the Earth since the world began.
28 March 2016, 02:38 PM ET
The northeast U.S. can expect more dangerous ice storms in future winters. Researchers produce tree-damaging conditions to learn how to protect plants and the animals that depend upon them for food and shelter.
28 March 2016, 02:22 PM ET
Yellowstone's supervolcano was predated by 12 massive eruptions in Idaho's Snake River Plain.
28 March 2016, 01:33 PM ET
Up to 12 massive volcanic blasts occurred between 8 million and 12 million years ago in Idaho's Snake River Plain, leading up to today's Yellowstone supervolcano, new research reveals.
28 March 2016, 12:04 PM ET
A snow- and ice-covered volcano located in Alaska's Aleutian Islands erupted on Sunday (March 27), spewing a cloud of ash about 20,000 feet (6,096 meters) into the sky, the Alaska Volcano Observatory reported.
28 March 2016, 11:49 AM ET
Climate change could spell bad news for the maple syrup on your pancakes.
27 March 2016, 09:09 AM ET
It has been said that the North Rim of the Grand Canyon is the "best side" to experience the grandeur and wilderness found in this most southern part of the massive Colorado Plateau.
26 March 2016, 03:30 PM ET
The ice covering the Arctic is at near record low levels this year, and this 'icy' deficit may impact weather around the world, NASA reports.
25 March 2016, 05:09 PM ET
During the winter of 2015-2016 satellites have 'seen' significantly less Arctic ice compared to the long term trend. NASA scientist Walt Meier and LiveScience writer Laura Geggel discuss how climate researchers interpret these data.
24 March 2016, 11:35 AM ET
NSF-funded UCSB researchers have collected long-term evidence that links rising levels of carbon and changes in ocean chemistry in Antarctic waters to the inability of tiny animals, such as sea snails, to build their protective shell.
23 March 2016, 05:19 PM ET
Humans have made contact with a Sumatran rhino in the Indonesian region of Borneo for the first time in 40 years.
23 March 2016, 10:27 AM ET
We've collected some of the most interesting and amazing facts about the planet we call home.
21 March 2016, 10:50 PM ET
The four periods of a year vary by location.
21 March 2016, 04:52 PM ET
Plate tectonics is the theory that Earth's outer shell is divided into several plates that glide over the mantle.
19 March 2016, 09:38 AM ET
If you're ready to see blooming flowers and sunny skies, it may help to know that this year's spring equinox will be the earliest to arrive in 120 years, largely because of an old rule governing leap years, experts said.
17 March 2016, 05:31 PM ET
Springtime brings warmer temperatures and a rebirth as nature reawakens.