There was a circle in Maria Burns' yard where grass wouldn't grow and trees died. She knew what it was: An old natural gas ...

That’s exactly what happens at Indian Echo Caverns in Hummelstown, Pennsylvania – a subterranean wonderland that somehow remains one of the state’s best-kept secrets despite being, well, absolutely ...

Strange cone-shaped rocks led scientists to the hidden remains of one of Earth’s oldest asteroid impacts. It could help us find fossil life on Mars.

Is Earth's inner core solid or liquid? While the inner core is extremely hot, experts have known that it is solid for many ...

Our planet has been asteroid-smashed, melted and eroded, enough that most of its original armor has been long buried. Except ...

The thick, mineral-rich layers of clay found on Mars suggest that the Red Planet harbored potentially life-hosting ...

Australian microbe research is helping improve our understanding of the potential for life in extreme environments, offering ...

Antarctic research reveals how rare earth elements move underground through freeze-thaw cycles in desert environments.

A thin layer found in the top few centimeters of soil plays a big role in its ecology. Biocrust is built, maintained and ...

Composting has gone mainstream. If you're ready to pile on, we've outlined everything you need to know to start a compost ...

Tropospheric scintillation on Earth-space paths greatly increases at low elevation angles and/or higher carrier frequencies, may impair low margin systems, and can interfere with the power control ...