13+ hour, 9+ min ago  (242+ words) Scientists found that thawing permafrost can trigger increased rock weathering, a natural process that absorbs CO2 from the atmosphere. In some regions, this carbon uptake was strong enough to fully offset " or even surpass " river greenhouse gas emissions....

1+ week, 1+ day ago  (723+ words) Read about early humans in this anthropology news section. Early human development, early human migration, culture and more. Photos....

1+ week, 3+ day ago  (404+ words) Earth's earliest animals may have held evolution back because they reproduced asexually, creating low-competition communities that changed very little over time. When environmental pressures pushed them toward sexual reproduction, biodiversity exploded and evolution accelerated dramatically....

2+ week, 3+ day ago  (523+ words) Scientists have confirmed that a mysterious Utah earthquake first detected in 1979 really did occur nearly 90 kilometers underground'far deeper than anyone thought earthquakes could happen beneath a continent. By reanalyzing decades of seismic data, researchers identified a rare class of "…...

2+ week, 4+ day ago  (1258+ words) Every year, millions of people visiting Grand Canyon National Park stop at one of the park's water stations. Some are standing on the rim, seeing the canyon for the first time and topping off a water bottle before continuing their…...

3+ week, 1+ day ago  (554+ words) A new study published in Nature Geoscience suggests Antarctica's ice sheet underwent a dramatic change about one million years ago, becoming much more responsive to shifts in Earth's climate. The research, led by scientists at the IBS Center for Climate…...

3+ week, 2+ day ago  (328+ words) New research suggests Earth's climate can swing wildly on surprisingly short timescales " even during hot, ice-free greenhouse periods. By studying ancient sediments from the Late Cretaceous, scientists uncovered repeating climate shifts tied to tiny changes in Earth's orbital wobble. These…...

3+ week, 3+ day ago  (506+ words) Reforestation in low- and middle-income countries can remove up to 10 times more carbon dioxide from the atmosphere at lower cost than previously estimated, making this a potentially more important option to fight climate change, according to a study in Nature…...

3+ week, 3+ day ago  (505+ words) Movement of the inner core has been debated by the scientific community for two decades, with some research indicating that the inner core rotates faster than the planet's surface. The new USC study provides unambiguous evidence that the inner core…...

3+ week, 4+ day ago  (730+ words) Researchers have created a new global map showing where unusual volcanic rocks linked to rare earth elements are found, uncovering a striking connection to the oldest and thickest parts of Earth's continents. The international team, led by scientists from the…...