By mid century, the familiar constellations that guided sailors and storytellers could be drowned in a permanent artificial ...
Scientists are tracking long-term changes that could noticeably alter how Earth’s sky appears by 2050. From satellite megaconstellations to atmospheric and astronomical factors, multiple forces are ...
Researchers have discovered chemical fingerprints of Earth's earliest incarnation, preserved in ancient mantle rocks. A unique imbalance in potassium isotopes points to remnants of “proto Earth” ...
In a first, researchers have discovered fragments of Earth's precursor that contain distinctive chemical fingerprints in ancient rocks from Greenland, Canada and Hawaii. When you purchase through ...