Climate
- Climate
World unprepared for changing climate, IPCC says
The latest intergovernmental report says planetwide impacts continue.
- Paleontology
Microbes indicted in ancient mass extinction
About 252 million years ago an estimated 96 percent of all species were wiped from Earth, and now scientists have a new suspect in the killing — methane-belching microbes.
- Animals
As their homes warm, salamanders shrink
Many species of salamanders respond to climate change by getting smaller.
- Climate
Natural climate shifts affect sea level rise
A recent dip in the rate of sea level rise may be due to natural climate variability.
- Climate
Kangaroo gut microbes make eco-friendly farts
Understanding kangaroos’ low-methane flatulence could help researchers lower greenhouse gas emissions from livestock.
- Climate
Climate change may spread Lyme disease
The territory of the ticks that transmit Lyme disease is growing as the climate warms.
- Earth
How the Chicxulub impact made acid rain
Using lasers to accelerate materials to asteroid-like impact velocities, scientists have shown how the Chicxulub asteroid impact, which happened roughly 65 million years ago, could have created a mass extinction in the oceans.
- Climate
Warm, wet weather may have helped Genghis Khan rule
Mild, wet weather — not drought — may have helped Genghis Khan expand the Mongolian empire to the largest in human history.
- Climate
Cloudy forecast
Over decades climatologists have grown more confident in their projections of the future impact of greenhouse gas emissions. But whether shifts in cloudiness will amplify global warming continues to vex researchers.
- Climate
Extreme heat on the rise
Recent years saw an increase in peak high temperatures on land despite Earth’s stalled averages.
- Climate
Sharks could serve as ocean watchdogs
Tagged with sensors, toothy fish gather weather and climate data in remote Pacific waters.
- Ecosystems
Arctic melting may help parasites infect new hosts
Grey seals and beluga whales encounter killer microbes as ranges change.
