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 ...

NEW YORK, New York, September 16, 2025 (ENS) – “Forty years ago, nations came together to take the first step in protecting the ozone layer – guided by science, united in action,” said United Nations ...

(johan63/iStock/Getty Images Plus) Our early Earth was a heavy metal album cover: a molten ball covered in a global lava ...

At the center of our planet is a very hot rotating ball of mostly iron and nickel (sorry Journey to the Center of the Earth fans). Scientists infer features of this innermost geographic layer—like the ...

Beneath Earth s surface, nearly 3,000 kilometers down, lies a mysterious layer where seismic waves speed up inexplicably. For decades, scientists puzzled over this D' layer. Now, groundbreaking ...

Explore how studying sediment layers in ancient lakebeds reveals Earth’s deep-time climate cycles and the lasting 405,000-year climate cycle. Ribbons of blue — the modern Raritan and Neshanic rivers — ...

Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.

An odd rock layer that spans 20 kilometres under the Bermuda has been discovered, which has left scientists baffled. The rock's 'level of thickness' has never been witnessed in any other layer in the ...

Add Futurism (opens Google in a new window or tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Scientists who just ...