Menu Close

Articles on Geology

Displaying 101 - 120 of 339 articles

New research suggests that Venus’ crust is broken into large blocks – the dark reddish–purple areas – that are surrounded by belts of tectonic structures shown in lighter yellow–red. Paul K. Byrne/NASA/USGS

The surface of Venus is cracked and moves like ice floating on the ocean – likely due to tectonic activity

Researchers used decades-old radar data and found that some low-lying areas of Venus’ crust are moving and jostling. This evidence is some of the strongest yet of tectonic activity on Venus.
The greenhouse effect and plate tectonics are essential for maintaining water on the Earth’s surface. NASA/Goddard Space Flight Center/Reto Stöckli

Why is the Earth blue?

The presence of water on the Earth’s surface is the result of a subtle balance between different mechanisms in the atmosphere and below the surface.
Ice core analysis can help us better understand historical ‘black swan’ events like pandemics and droughts. The Washington Post via Getty Images

Video: How ancient ice cores show ‘black swan’ events in history – even pandemics

Ice cores can preserve evidence of ‘black swan’ events like pandemics and droughts, but the glaciers from which they are collected are disappearing.

Top contributors

More