An electron microscope image, colorized, shows different structures of pollen grains, including sunflower, morning glory and primrose. Dartmouth Electron Microscope Facility If pollen allergies are ...
Tiny zircon crystals are revealing that Earth’s earliest history may have included surprisingly complex tectonic activity.
Researchers studying the deep biosphere, Earth’s largest ecosystem, have found evidence that life thriving miles below the ...
A massive meteorite strike 3.5 billion years ago left behind the world’s oldest known impact crater, challenging previous ...
A 66 million-year-old mystery behind how our planet transformed from a tropical greenhouse to the ice-capped world of today has been unraveled by scientists. Their new study has revealed that Earth's ...
Proto-Earth is the term used to describe the earliest days of our planet, the body from which our pale blue dot evolved. At this stage of its geological evolution, it likely existed only for a ...