The Earth's Grand Canyon took millions of years to carve, but the moon's grand canyons took about ten minutes.

Some magma is super thick, so it can only force itself a short distance, sideways into a mushroom shape, pushing up the rock above before solidifying. CONNOR: Look how flat the rest of the land is ...

In a study published today by The Astrophysical Journal Letters, a research team led by Yale University’s Imad Pasha ...