If the solar system’s hottest world, once had plate tectonics, maybe it was also capable of sustaining life long ago. When you purchase through links on our site, we may earn an affiliate commission.

Plate tectonics give rise to Earth's mountain ranges, earthquakes and the long-term movement of continents, and may even have provided the right conditions for life on Earth. But as far as we know, no ...

The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper’s authors have dubbed ...