Most meteorites that have reached Earth come from the asteroid belt between Mars and Jupiter. But we have 1,000 or so ...

A groundbreaking study in the journal Science, has unveiled how deep ocean currents—known as global overturning ...

Where others see a natural air purifier, Ralf Reski, a plant biotechnologist at the University of Freiburg, saw untapped ...

Oxygen evolution is considered one of the most energy-intensive steps in water electrolysis and is therefore a key factor for ...

The balance of different varieties of atoms inside a person’s teeth can reveal a week-by-week record of rainfall and protein ...

Ancient oceans with phosphorus-rich waters may have supported some of Earth’s earliest microbial life, according to a new ...

Human activity is expected to cause fresher surface water that traps warmer and saltier layers below, so the reason for this change is unclear. “The increased salinity in the Southern Ocean is ...

Earth's atmosphere. Learn about threats to air quality, the latest scientific research in atmospheric chemistry, atmospheric physics and more.