Sporadic E layers lit up during a solar storm, moving from poles to equator—surprising researchers and revealing potential communication threats.

Researchers report on ionospheric sporadic E layer (Es) activity during the Mother's Day geomagnetic storm. The team found that the Es layers were significantly enhanced over Southeast Asia, Australia ...

The authors behind that study attempted to find such old ice, taking a “debris-rich ice core” measuring 944 centimeters (372 inches) in length from the Ong Valley, located in the Transantarctic ...

A cap is a layer of warm air aloft that prevents surface-based air parcels from rising freely, but it can be broken by ...

Forty years ago this month, scientists reported that human activities had punctured Earth’s protective ozone layer. What ...

Much like a conveyer belt, an atmospheric river transports moisture from the tropical and subtropical oceans and dumps it as ...

By studying seismic waves, researchers have found a layer deep beneath the surface of Mars that could contain enough liquid ...

Hundreds of eyes turned to the sky last week as students and staff from Massanutten Regional Governor’s School launched their ...

Extraordinary claims require extraordinary evidence. That truism, now known as the "Sagan standard" after science communicator Carl Sagan, has been around in some form since David Hume first published ...