The ionosphere -- the region of geospace spanning from 60 to 1000 kilometers above the Earth -- impairs the propagation of radio signals from global navigation satellite systems (GNSS) with its ...

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 ...

Earth's inner layers have just got a bit more complicated, with scientists discovering a whole new inner core within the center of the planet. Research released on February 21 in the journal Nature ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. The distance from the Earth's surface to its center is almost 4,000 miles—but our planet's structure is not uniform and ...

The Earth's protective ozone layer is on track to recover within four decades in a gradual process that's expected to close a major ozone hole over Antarctica, a United Nations-backed panel of experts ...

Scientists have long wondered what lies at the very center of the Earth, and the latest research is putting weight behind a theory that our planet has a distinct ball of iron within its metallic core.