volcanic activity

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 year ago

Do We Now Understand Why the Moon’s Near and Far Sides Look So Dramatically Different?

The Moon is easily the most well-studied object in the Solar System, (other than Earth, of course.) But it still…

1 year ago

Venus Could Have Supported Life for Billions of Years

A new study by a team of NASA scientists indicates that Venus could have been habitable for billions of years…

2 years ago

It Looks Like Plate Tectonics Aren’t Required to Support Life

According to a new study, it is possible that extra-solar planets with no plate tectonics might be capable of supporting…

3 years ago

Volcanic Hydrogen Gives Planets a Boost for Life

A new study by a team of astronomers from the Carl Sagan Institute at Cornell University indicates that habitable zones…

5 years ago

What is the Difference Between Active and Dormant Volcanoes?

Whether a volcano is active or dormant is complicated, as these geological features can have very long lifespans that go…

5 years ago

How Do Volcanoes Erupt?

Volcanic eruptions are driven by a combination of mechanisms, which include pressure and heat in the Earth's mantle, as well…

6 years ago

What is the Difference Between Lava and Magma?

The difference between lava and magma, which is rather important when it comes to volcanic activity and geology, is just…

6 years ago

What Causes Air Pollution?

Air pollution is a major issue facing us Earthlings, and knowing its causes (both natural and man-made) is a key…

6 years ago

Venus Compared to Earth

Venus and Earth share many characteristics, being terrestrial planets, but are also significantly different. Here's how and where they differ...

6 years ago