On October 10, 2020, a near-Earth asteroid was spotted for the first time. Now, two years later, the airplane-sized object is returning for a visit that will bring it within 400,000 miles of Earth.

As pandemic lockdowns forced humans into isolation, Earth's vegetation was thriving. The year 2020 was the greenest in modern satellite records from 2001 to 2020, according to a recent study published ...

The Earth system interacts and connects in unexpected ways—from the interactions of bacteria and rocks to the convective and tectonic processes that build mountains, from the core to the atmosphere, ...

This activity was supported by a grant between the National Academy of Sciences and the National Science Foundation under Grant No. EAR-1823050. Any opinions, findings, conclusions, or recommendations ...