A new theory suggests that nitrogenase from cyanobacteria could be the reason oxygen levels remained low after the Great Oxidation Event.
News
Artificial Intelligence May Help Predict El Niño
Deep learning techniques give scientists the longest–lead time forecasts yet.
Climate Summit Delivers Some Measures But Doesn’t Go Far Enough
Scientists, politicians, and activists say the announced actions and initiative are positive but insufficient measures.
“Glass Pearls” in Clamshells Point to Ancient Meteor Impact
Research suggests that the spherical structures, smaller than grains of sand, may be microtektites, but additional investigations are needed to verify their identity.
Podcast: Volcano Disaster Prepping
Third Pod from the Sun talks with volcanologist John Ewert, a founder of the U.S. Geological Survey’s Volcano Disaster Assistance Program.
Leaky at the Core
New evidence from deep mantle plumes suggests that Earth’s liquid outer core might be leaking tungsten isotopes into the lower mantle.
Members of Congress Look for Common Ground on Climate Change
Republican Francis Rooney and Democrat Paul Tonko hope that Congress can move forward to address climate change.
Young Voters Express Frustration and Hope at MSNBC’s Climate Forum
The majority of young voters believe humans have caused climate change. Who will win their vote?
What the Arctic Ice Tells Us
With so few long-term climate data sets, the importance of the sea ice record is hard to overstate, and 2019 now ranks among the lowest ice minimums in the 40-year satellite record.
No One-Size-Fits-All Way to Combat Urban Heat Island Effect
Tropical and dry cities respond differently to heat mitigation strategies. This difference should be considered when trying to protect residents from increasingly dangerous summer temperatures.