Animals
Climate change could threaten monarch mass migration
Suitable milkweed habitat in Mexico may shift south, fracturing existing migration routes and possibly pushing some butterflies to stay put.
Climate
More Stories in Climate
- Animals
Some dung beetles dig deep to keep their eggs cool
A temperate tunneling species of dung beetle seems capable of adapting to climate change, but their tropical cousins may be less resilient.
- Climate
Polar bears in the Barents Sea are staying fat despite rapid sea ice loss
Polar bears can struggle to adapt to climate change. Bears on Svalbard may be surviving on land prey and seals — but scientists warn it may not last.
- Climate
Earth’s last 3 years were its hottest on record
An analysis of global climate data shows sustained warming even as El Niño faded.
- Climate
Hidden tree bark microbes munch on important climate gases
Trees are known for absorbing CO2. But microbes in their bark also absorb other climate-active gases, methane, hydrogen, and carbon monoxide.
- Earth
Some of 2025’s scientific discoveries broke records
Longest lightning, the first AI-generated genomes and biggest black hole smashup were among this year’s top science superlatives.
- Anthropology
Drought may have doomed the ‘hobbits’ of Flores
Stalagmite data suggest Homo floresiensis faced prolonged drought that stressed both them and their prey, contributing to their disappearance.
- Earth
A volcanic eruption might have helped bring the Black Plague to Europe
A volcanic eruption may have triggered a deadly chain of events that brought the Black Plague to Europe in the 14th century.
- Climate
Here are 3 big ideas to combat climate change, with or without COP
As action from the U.N.’s huge COP30 international meeting falls short, smaller groups are banding together to find ways to fight climate change.
- Climate
Life-saving research on extreme heat comes under fire
The Trump administration’s cuts to heat research come at a time when climate change is making extreme heat waves more common and intense.
