Earth's crust ranges from 5 to 70 kilometers in thickness and serves as the planet's outermost layer. This thin shell represents less than one percent of Earth's total mass, yet it's the only layer we ...

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 ...

In a paper published in Geophysical Research Letters, researchers from Kyushu University report on the activity of sporadic E layers—about 90–120 km above sea level—during the 2024 Mother's Day ...

Deep within Earth, there lies a mysterious layer called the D" layer. Located roughly 3,000 kilometers down, this zone sits just above the boundary between the planet's molten outer core and its solid ...