Geology

What a Geologist Sees When They Look at Perseverance’s Landing Site

Geologists love fieldwork. They love getting their specialized hammers and chisels into seams in the rock, exposing unweathered surfaces and…

1 day ago

Mars has Been Through Many Ice Ages in the Last Billion Years

Like Earth, Mars has experienced periods of extreme glaciation or ice sheet coverage, which are known as ice ages. As…

1 month ago

If a Planet Has a Lot of Methane in its Atmosphere, Life is the Most Likely Cause

The ultra-powerful James Webb Space Telescope will launch soon. Once it's deployed, and in position at the Earth-Sun Lagrange Point…

2 months ago

You Can See the Spot Where Lava Broke Through the Wall of a Martian Crater and Began Filling it Up

At a fundamental level, Mars is a volcanic planet. Its surface is home to the Solar System's largest extinct volcano,…

2 months ago

This is Mawrth Vallis on Mars, and it’s Positively Bursting with Evidence of Past Water Action on Mars

Here on Earth, geologists seek out deep channels into Earth's rock, carved over the ages by flowing water. The exposed…

3 months ago

There’s a Vast Microbial Ecosystem Underneath the Crater that Wiped Out the Dinosaurs

How did life arise on Earth? How did it survive the Hadean eon, a time when repeated massive impacts excavated…

3 months ago

What Role do Radioactive Elements Play in a Planet’s Habitability?

According to new study by a team from UC Santa Cruz, the right amount of radioactive elements could also be…

3 months ago

Scientists in Japan Have Found a Detailed Record of the Earth’s Last Magnetic Reversal, 773,000 Years Ago

Every 200,000 to 300,000 years Earth's magnetic poles reverse. What was once the north pole becomes the south, and vice…

4 months ago

Geologists Have Found the Earth’s Missing Tectonic Plate

Northern Canada has been keeping a secret from the rest of the world. It's home to "Resurrection," a tectonic plate…

4 months ago

Ancient Terrain on Venus Looks Like it Was Formed Through Volcanism

A new study shows that some of the oldest surface features on Venus (tesserae) were likely formed by volcanic activity

5 months ago