Earth

The atomic age would mark the start of the current geologic time unit, if proposal receives final approval

Atmospheric carbon dioxide recently reached 415 parts per million for the first time

The detection of this radioactive relic of nuclear weapons tests in a remote environment shows humanity’s far-reaching environmental impact

This feedback poses major concerns for western water resources and wildfire risk

A new study suggests primordial seawater may lurk hidden at the hearts of many comets

Landmark UN-backed report finds that agriculture is one of the biggest threats to Earth’s ecosystems

Tree rings from around the world match what climate models have suggested

One of Nepal’s major faults appeared worrisomely silent—but new evidence suggests otherwise

A hole in nearby sea ice allows sunlight to warm the ocean water in contact with the ice

Diamonds are the April birthstone. They aren’t forever, but they are geologically remarkable

Machine learning can reveal acoustic vibrations that could improve forecasting

Such processes are often missing from climate models, leading to underestimates of long-term damage