“We envisioned a new chemistry to activate the inert [not chemically reactive] silicate minerals through a simple ion-exchange reaction,” Chen explained. Ions are atoms or groups of atoms with an ...

For most of human history, Earth has been known as the “Pale Blue Dot,” a term popularized by astronomer Carl Sagan when ...

A little-known volcano in the remote Kuril Islands, Zavaritzki, links an explosion in 1831 with drastic climate changes.