Earth

Sunrises Across the Solar System

Scientists have learned a lot about the atmospheres on various worlds in our Solar System simply from planetary sunrises or…

3 days ago

Can you tell the difference between California, Venus, Titan and Mars? Hint: California is the one with buildings.

Californians woke up to an alien-looking sky this morning, Wednesday, September 9, 2020. (more…)

1 week ago

Did Snowball Earth Happen Because of a Sudden Drop in Sunlight?

Hundreds of millions of years ago, Earth went through two episodes of severe glaciation. These two episodes—the Sturtian and the…

1 month ago

Microbes Were Dormant for Over 100 Million Years, But They Were Able to Spring Back to Life

At the bottom of the ocean in the South Pacific Gyre, there's a sediment layer that is among the most…

2 months ago

Ancient Meteorites Can be Found Embedded in Rocks, Like Fossils

Comets visit the inner Solar System, and leave without saying goodbye. Maybe they leave a trail of dust behind, and…

2 months ago

China’s Mars Mission Took This Picture of the Earth and Moon

No matter where you are, where you’ve been and where you’re going, it’s always good to see home.  And we…

2 months ago

What Cracked the Earth’s Outer Shell and Started its Plate Tectonics?

Earth's lithosphere is made up of seven large tectonic plates and a number of smaller ones. The theory of plate…

2 months ago

800 Million Years Ago, it Was Raining Asteroids on the Earth and Moon

Natural processes here on Earth continually re-shape the planet's surface. Craters from ancient asteroid strikes are erased in a short…

2 months ago

Dust Seen Streaming Out of Namibia Into the Atlantic Ocean

Landsat 8 strikes again. Landsat 8 is the United States Geological Survey's most recently launched satellite, and it holds the…

2 months ago

Organic Matter Could Have Delivered Earth’s Water

The origin of Earth's water is a big piece of the puzzle in Earth's history. Did it come from comets…

2 months ago