March 20, 2018
Red Planet Roundup: April 2018
With two rovers patrolling the surface of Mars, six spacecraft orbiting above it, and scientists here on Earth studying the Red Planet from afar, …
The EARTH archive
April 2018
Explore the archive by subject.
42 articles · Page 2 of 2
March 20, 2018
Benchmarks: April 4, 2011: Air France Flight 447 wreckage found using modern oceanography tools
In the early morning hours of March 8, 2014, Malaysia Airlines flight 370 (MH370), en route from Kuala Lumpur to Beijing, lost communication with …
March 19, 2018
Down to Earth With: Conservation engineer Emily Pidgeon
“I can be a very blunt object,” says Emily Pidgeon, describing how she moves through the world and how she approaches her work. Her Australian …
March 19, 2018
Chemical tipping point triggers eruptive transitions
During an eruption, some volcanoes vacillate unpredictably between effusive and explosive behavior. New research has identified a chemical …
March 19, 2018
No river meant no floods for ancient Indus settlements
Large Middle Eastern rivers like the Nile, Tigris, Euphrates and Tiber were critical for the development of early urban societies in Egypt, …
March 19, 2018
Oldest "Third Pole" ice core recovered
Holding massive reservoirs of ice, high-altitude glaciers, such as those in the Himalayas, are sometimes referred to as Earth’s “Third Pole.” The …
March 19, 2018
Ceres: A bright spot in the asteroid belt
Orbiting in the asteroid belt between Mars and Jupiter, Ceres is the nearest dwarf planet to Earth and the only one within the inner solar …
March 19, 2018
Residual strain explains later quakes
The largest earthquake in recorded history struck southern Chile on May 22, 1960. The magnitude-9.5 temblor was followed by a tsunami that, …
March 19, 2018
Measuring earthquakes using fiber-optic cables
Fiber-optic cables crisscross the world, ferrying digital data and enabling internet access and telecommunication. In a new study, published in …
March 19, 2018
Surveying forests from afar
Traditional surveys of forest health and diversity take hours of hiking and sampling by scientists who can only cover relatively small areas. …
March 19, 2018
Globe-trotting bacteria found at both poles
The Arctic and Antarctica, separated by more than 15,000 kilometers, may be geographic opposites but they share many similarities, including …
March 14, 2018
Pesky ticks even plagued dinosaurs
Blood-sucking, disease-spreading ticks are one of the most maligned parasites in the world, and new evidence shows they’ve been doing their dirty …
March 14, 2018
Carbon emissions spike when continents rift
The vast majority of Earth’s carbon is stored in the planet’s interior. This buried carbon is not isolated from the surface over geologic …
March 8, 2018
Gyres spin up, currents get muddled
In addition to polynya formation and warming-induced surface freshening, other factors may also impact open-ocean convection in the Southern …
March 8, 2018
Disrupting the deep: Ocean warming reaches the abyss
Seventy-one percent of our planet is covered by ocean, and these basins contain 97 percent of Earth’s near-surface water. The ocean lies at the …
March 8, 2018
Geomedia: On the Web: How will melting ice impact your city?
The relationship between melting glaciers and rising sea levels is best described as: “It’s complicated.” A new online tool shows just how …
January 22, 2018
No river meant no floods for ancient Indus settlements
Large Middle Eastern rivers like the Nile, Tigris, Euphrates and Tiber were critical for the development of early urban societies in Egypt, …
December 14, 2017
Climate change linked to specific weather events for the first time
Three extreme weather events that occurred in 2016 would not have been possible in Earth’s pre-industrial climate, according to the sixth annual …