How did life arise on Earth? How did it survive the Hadean eon, a time when repeated massive impacts excavated…
According to new study by a team from UC Santa Cruz, the right amount of radioactive elements could also be…
Every 200,000 to 300,000 years Earth's magnetic poles reverse. What was once the north pole becomes the south, and vice…
Northern Canada has been keeping a secret from the rest of the world. It's home to "Resurrection," a tectonic plate…
A new study shows that some of the oldest surface features on Venus (tesserae) were likely formed by volcanic activity
Most everybody knows that the dinosaurs perished rapidly in a tumultuous extinction, caused by an asteroid strike about 66 million…
Scientists are getting better at understanding exoplanets. We now know that they're plentiful, and that they can even orbit dead…
It takes oxygen to make iron rust. So when scientists discovered hematite spread widely through lunar high latitudes, they were…
Hundreds of millions of years ago, Earth went through two episodes of severe glaciation. These two episodes—the Sturtian and the…
Could lava tubes on the Moon and Mars play a role in establishing a human presence on those worlds? Possibly,…