geology
The dinosaur killing asteroid hit the Earth at the most devastating possible angle
There are bad days, and then there are really bad days. 65 million years ago, life on Earth - especially…
Want to Mine the Moon? Here’s a Detailed Map of all its Minerals
The USGS' Astrogeology Science Center has released a complete mineral map of the Moon, which the lunar mining crowd is…
3 Billion Years Ago, the World Might Have Been a Waterworld, With No Continents At All
Evidence from an ancient section of the Earth's crust suggest that Earth was once a water-world, some three billion years…
A Distant Asteroid Collision Gave Earthly Biodiversity An Ancient Boost
About 466 million years ago, there was an asteroid collision in the asteroid belt between Mars and Jupiter. The collision…
The Moon is Older Than Scientists Thought
The most comprehensive and widely-held theory of how the Moon formed is called the 'giant impact hypothesis.' That hypothesis shows…
Astronomy Cast Ep. 522: Judging Age & Origins, part 1 – Earth Rocks
People always want to know how old everything is. And more specifically, they want to know how we know how…
Strange Landscapes on Mars were Created by Explosive Volcanoes
According to a new study from Johns Hopkins University, Mars' Medusa Fossae region was created by volcanic activity, a finding…
Early Earth Was Almost Entirely Underwater, With Just A Few Islands
Ancient grains of the mineral zircon help researchers paint a picture of Earth in the Hadean Eon, and that picture…
Earth Just Got A New Continent
Data collected over decades proves that Earth has another continent: Zealandia.
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…