Topic: Earth Science
Ancient Crater Found Hiding in Australia

Ancient Crater Found Hiding in Australia

I want to bring you a story that looks to rewrite a bit of our world's history. Researchers studying the geology of an Australian feature called the North Pole Dome, despite being located in Western Australia, found evidence that the feature is associated with a 3.5 billion year old impact. The object that stuck was more than 100 kilometers across and hit at more than 36,000 km/hr. This massive impact turned the local minerals into what are called shatter cones - a kind of fractured rock only found where impacts have occurred. This impact is more than a billion years older than the next...

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Closer Look: The cost of the climate of academia

Closer Look: The cost of the climate of academia

We are recording this episode about a week in advance of our normal recording date. This is because our producer Ally Pelphrey and I will be at the Balticon science fiction and fantasy convention over Memorial Day weekend and I’m then flying to Orlando where I’ll be...

Geology points to the path most chosen

Geology points to the path most chosen

One of the most common questions faced by those of us who study other worlds is this, “What good is studying planets when we have issues here on Earth?” Well, it turns out Earth happens to be a planet and sometimes geology can tell us really cool things about...

The Dying Sun will Take Out the Earth

The Dying Sun will Take Out the Earth

Clumps of debris from a disrupted planetesimal are irregularly spaced on a long and eccentric orbit around the white dwarf. Individual clouds of rubble intermittently pass in front of the white dwarf, blocking some of its light. Because of the various sizes of the...

Dear Future Self: Let’s Talk Climate Change

Dear Future Self: Let’s Talk Climate Change

Credit: NOAA Recent research published in Science Advances and led by Madalina Vlascenu finds that when it comes to climate change, we can’t scare people straight. Stories of gloom and doom focused on the fate of our world don’t inspire people to change their ways and...