Enormous craters in Siberia's permafrost may finally have a decisive explanation. They form when pressurized water causes cracks to...
Two years ago, sonar images revealed strange circles at the bottom of Lake Michigan that scientists couldn't explain. Now, a survey...
Earth may have had a giant ring of space rocks surrounding it, similar to those around Saturn, which could have led to chaotic meteorite...
Believe it or not, debris from Mars has frequently made its way to Earth after powerful impacts hit the Red Planet's surface and launch...
Mysterious "frost mounds" dotted across Siberia sometimes burst to form giant craters — and now, scientists have taken a step...
A giant impactor that severely dented Mars' surface roughly 2.3 million years ago also carved out 2 billion smaller craters on the...
