volcanoes
Metal Asteroid Psyche Might Have Had Volcanoes of Molten Iron
Imagine a time in the Solar System's past, when the asteroids were not solid rock, but blobs of molten iron.…
Massive Volcanic Eruptions 66 Million Years Ago Happened Almost Exactly When the Dinosaurs Died Off
Everyone knows an asteroid strike wiped out the dinosaurs, right? Lots of evidence shows that the Chicxulub impact event had…
A Rapid Rise in Temperature Led to the Worst Extinction in our Planet’s History
Everyone knows about the extinction of the dinosaurs. A cataclysmic asteroid strike about 66 million years ago (mya) caused the…
Io Afire With Volcanoes Under Juno’s Gaze
Volcanic activity on Io was discovered by Voyager 1 imaging scientist Linda Morabito. She spotted a little bump on Io's…
Astronauts Capture Great Views of Mount Etna Eruption
Mount Etna is Europe's most active volcano, and it's been spouting off since late February 2017. It spewed lava and…
Meteorite Confirms 2 Billion Years of Volcanic Activity on Mars
A Martian meteorite that landed in Africa in 2012 has confirmed that Martian volcanic activity lasted 3 billion years or…
Astronomy Cast Ep. 433: Volcanoes on Mars
So if you've been to Yellowstone National Park, you've seen one of the most amazing features of the natural world…
What are Volcanoes?
Volcanoes are a powerful force of nature, and can be found all over the Solar System. In addition to hot…
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…
Weekly Space Hangout – June 24, 2016: Dr. James Green
Host: Fraser Cain (@fcain) Special Guest: Dr. James Green is the NASA Director of Planetary Science. Guests: Morgan Rehnberg (MorganRehnberg.com…