Planet Earth Archive
09 February 2015, 03:00 PM ET
Traces of air pollution from 16th-century Spanish silver mines were discovered deep inside an ice cap in the Peruvian Andes.
09 February 2015, 01:19 PM ET
Floods have become more frequent in the central United States in the past 50 years, a new study finds.
09 February 2015, 12:52 PM ET
Evidence provided by pulverized rocks offers the most comprehensive view yet of Alamo crater, the most accessible impact crater in North America.
07 February 2015, 08:43 AM ET
While the tornado total will climb by 2100, the number of tornadoes will also swing wildly from year to year.
07 February 2015, 08:42 AM ET
Killer shrimp, creatures that indiscriminately slay other animals without eating them, may soon join the list of invasive species living in the Great Lakes, a new study finds.
06 February 2015, 04:12 PM ET
The Withings Activité Pop is a fitness tracker for people who don't want to look like they're wearing a fitness tracker.
06 February 2015, 02:56 PM ET
Scientists found some weird little organisms in the NYC subway system, from traces of pathogens like the plague and anthrax, to marine microbes thought to be native to Antarctica, and, perhaps unsurprisingly, bacteria from mozzarella cheese.
05 February 2015, 02:41 PM ET
Iceberg calving events have distinctive sounds that could help scientists pinpoint how much ice is vanishing and contributing to sea level rise.
05 February 2015, 02:00 PM ET
The rise and fall of sea level during the past million years matches up with valleys and ridges on the seafloor, suggesting a link between underwater eruptions and ice ages, two new studies find.
05 February 2015, 01:51 PM ET
Scientists, researching ways to detect glacial ice loss, have discovered that distinct "rumbles, snaps and splashes" occur during ice loss, or calving events. This could lead to inexpensive ways to monitors glaciers.
04 February 2015, 09:26 PM ET
Continental drift was a theory that explained how continents shift position on Earth's surface.
04 February 2015, 03:37 PM ET
A storm arriving in Northern California Thursday will be one of the most closely watched atmospheric rivers in history, as scientists plan to study the weather pattern from the ocean, in the air and on land.
04 February 2015, 03:34 PM ET
Stunning footage of a man descending to the rim of a bubbling lava lake was captured using tiny recreational drones.
04 February 2015, 01:00 PM ET
The bottom of the Pacific plate under New Zealand has been visualized in fine detail using reflected sound waves.
04 February 2015, 10:01 AM ET
The world's biggest gold deposit may have been formed through the action of ancient volcanic flows and primitive microbes.
03 February 2015, 02:02 PM ET
One of the deadliest tornado outbreaks in U.S. history was strengthened by smoke from burning farmlands in Central America, a new study suggests.
03 February 2015, 07:10 AM ET
During the worst mass extinction in Earth's history, the soil may have been as acidic as lemon juice, new research shows.
02 February 2015, 02:15 PM ET
Up to 10 million gallons (38 million liters) of crude oil from the 2010 Deepwater Horizon oil spill has settled at the bottom of the Gulf of Mexico, where it is threatening wildlife and marine ecosystems, according to a new study.
02 February 2015, 11:09 AM ET
Tiny marine fossils that shot to the surface in El Hierro volcano's steaming lava bombs could help unravel the ancestry of the Canary Islands volcanic chain.
31 January 2015, 08:47 AM ET
The Seattle Seahawks and the New England Patriots will face each other on the gridiron for Super Bowl supremacy tomorrow (Feb. 1). But sorry, Seattle — you've already been declared losers in the realm of energy efficiency.
30 January 2015, 05:06 PM ET
Tommy Thompson — a famous shipwreck hunter who located a Gold Rush-era wreck and became embroiled in a long legal drama over his spoils — has been captured in Florida after more than two years in hiding.
30 January 2015, 04:19 PM ET
Americans support government action to combat the effects of global warming and will likely vote for candidates who put forth a promising stance on environmental issues, a new poll has found.
30 January 2015, 01:54 PM ET
A once-thriving Mesoamerican metropolis dried up about 1,000 years ago when below-average rainfall triggered centuries-long droughts that largely prompted people to abandon the city for greener opportunities, a new study finds.
30 January 2015, 01:35 PM ET
Layer by layer, scientists have filled in the hidden expanse of Greenland's vast ice sheet, revealing where the island hides its oldest ice.
29 January 2015, 06:52 AM ET
Astronaut Samantha Cristoforetti captured a jaw-dropping photo of Cyclone Bansi from the International Space Station.
28 January 2015, 07:40 PM ET
The greenhouse effect occurs when Earth's atmosphere traps solar radiation because of the presence of certain gases, which causes temperatures to rise.
28 January 2015, 03:33 PM ET
New research claims to have solved a messy paradox that has plagued geoscientists who study Earth's core and its life-protecting magnetic field.
27 January 2015, 12:05 PM ET
Trade-offs between optimising current and future reproduction are also common.
27 January 2015, 10:17 AM ET
Norway's Austfonna ice cap is shrinking faster than 20 years ago, especially in the region where the ice meets the sea.
26 January 2015, 06:19 PM ET
The blizzard about to wallop the northeastern United States could bring record snowfall to New York and other areas, forecasters say. But how does it stack up against some of the region's worst snowstorms in history?
26 January 2015, 05:04 PM ET
A warming world could mean interesting changes for major snowstorms, like the nor'easter this week.