Scientists are not sure how much metallic dust remained in the atmosphere after the most recent SpaceX rocket 'disassembly.' ...

Ozone pollution, typically associated with warm weather and strong sunlight, has begun to manifest alarmingly in winter. This ...

NASA is fueling an exciting future for citizen science by funding 25 new projects across diverse fields, from astrophysics to ...

A section of the upper mantle and crust under the Sierra Nevada mountains is peeling away, in a process that may mimic how ...

NASA’s OSIRIS-REx mission returned from space with a sample of an asteroid named Bennu and scientists got to dive into a tale ...

The Earth's atmosphere has strengthened its ability to remove air pollutants, including the potent climate-warming gas ...

Research on hidden structures deep within Earth’s mantle challenges theories about our planet’s middle layer and could ...

A new study finds that the rate of ocean warming has more than quadrupled over the past 40 years—and pinpoints why.

Most ozone-depleting substances also contribute to global warming. By reining in these substances and protecting carbon sinks ...

It took two years for NASA's OSIRIS-REx space probe to return from asteroid Bennu before dropping off a small capsule as it ...

When asteroids like Bennu hit the young Earth, they could have provided a complete package of complex molecules and the ...

Maricopa and Pinal counties both failed to meet federal air quality standards and will now become part of an Arizona State ...