A new study shows oxygenic photosynthesis likely evolved between 3.4 and 2.9 billion years ago.…
Browsing: Earth
Earth is the third planet from the Sun and the only known world to support life, distinguished by its dynamic geology, diverse ecosystems, and vast oceans. Its atmosphere, rich in nitrogen and oxygen, helps regulate temperature and shield life from harmful radiation. Earth’s layered interior drives plate tectonics, earthquakes, and volcanic activity, shaping its surface over millions of years. From its magnetic field to its climate systems, Earth is a complex, interconnected system that scientists study to understand both its past and its rapidly changing present. As humanity’s only home, Earth remains at the center of environmental research, planetary science, and efforts toward sustainability.
A slow-moving wall of basaltic lava is bulldozing its way through communities on one of…
Powered by an Atlas V 401 rocket, Landsat 9 lifted off from Vandenberg Space Force Base on September 27,…
Analyses lay out a blueprint for speeding development of atmospheric removal and modeling how the…
New evidence confirms the asteroid impact—not volcanic eruptions—caused the dinosaurs’ extinction, ruling out Deccan volcanism…
Plant compound may protect bees from deadly virus that makes them lose their way home.…
One of Earth’s unique features is that it has continents. Contrary to many theories, the…
Sea ice covered more area this summer compared to recent years, but it was also…
Water levels at Glen Canyon Dam have fallen to their lowest level since 1969 and…
An astronaut photograph shows the proximity of a volcanic eruption to nearby cities on the…
The KNP fire complex and Windy fire are threatening groves of giant sequoias and prompting…
New research doubles the volume of salty water two to 10 kilometers beneath the surface…
Shrinking snowpack, thawing permafrost, and shifting precipitation patterns have widespread consequences. Can new technologies—and public…
Rising Temperatures and Risky Development Contribute to Heightened Exposure to Earthquakes, Flooding, Tornadoes, Hurricanes and…
Arctic sea ice reached its 2021 minimum on Sept. 16, marking the 12th-lowest extent on…
NASA’s dune restoration at Kennedy Space Center protects launch sites and creates habitat for wildlife…
Climate change may reshape coral reef communities without reducing overall biodiversity, according to a UH…
Researchers flying a radar instrument over coastal wetlands in Louisiana helped with monitoring oil slicks…