A now-vanished plate under North America may open the crust below Yellowstone. Grand Prismatic Spring Yellowstone National Park Credit: Deb […]
Category: geology
An extinct volcano in Arkansas hosts the only public diamond mine on Earth
The park provides two covered pavilions with water troughs and tables for wet sifting, plus open sluice boxes with hand-operated […]
How old is the earliest trace of life on Earth?
A recent conference sees doubts raised about the age of the oldest signs of life. Where the microbe bodies are […]
New dating for White Sands footprints confirms controversial theory
Skip to content Results are consistent with two earlier studies dating the footprints to between 22,000 and 24,000 years ago. […]
Have we finally solved mystery of magnetic moon rocks?
NASA’s Apollo missions brought back moon rock samples for scientists to study. We’ve learned a great deal over the ensuing […]
Mars’ polar ice cap is slowly pushing its north pole inward
Skip to content That, plus data from the InSight lander, gives us a new view into Mars’ interior. The north […]
Did the snowball Earth give complex life a boost?
Life is complex But when new minerals made their way to the water, what did they actually do? Cycle throughout […]
Edge of Mars’ great dichotomy eroded back by hundreds of kilometers
Skip to content What may have been an ancient shoreline has signs of a water-driven transformation. For decades, we have […]
One less thing to worry about in 2025: Yellowstone probably won’t go boom
There’s not enough melted material near the surface to trigger a massive eruption. It’s difficult to comprehend what 1,000 cubic […]