Down to Earth With: Paleontologist Gerta Keller

The mass extinction that did in the dinosaurs is one of the best-known events in geology. It’s also one of the most contentious. Princeton University paleontologist Gerta Keller has long argued that volcanism was to blame, not the famous asteroid impact. EARTH sat down with Keller to talk about her upbringing in the Alps, her … More Down to Earth With: Paleontologist Gerta Keller

California rains put spotlight on atmospheric rivers

Forecasts of moisture conduits could aid water managers California has no mighty rivers like the Mississippi, but rivers of a kind are flooding the state. Since the new year, more than a meter of precipitation has fallen in some places, unleashing floods, triggering landslides, and, last week, bringing the emergency spillway of the Oroville Dam, … More California rains put spotlight on atmospheric rivers

After the ice goes

Researchers look into the future of the far North for clues to save species and maybe even bring back sea ice. As the Arctic slipped into the half-darkness of autumn last year, it seemed to enter the Twilight Zone. In the span of a few months, all manner of strange things happened. The cap of … More After the ice goes