Buzzing temblors marked the formation of a supervolcano -- but there is no risk yet.
Earth's sister planet might also enjoy a bit of volcanism.
The findings offer renewed hope of finding oxygen on alien worlds.
A trough beneath Denman Glacier is the deepest continent point in the world, measuring more than 2 miles beneath sea level.
A new map of water ice trapped beneath Mars' surface could inform astronauts where they should land.
Titan is a lot like the Earth... except it's nothing like the Earth.
Researchers have used ground-penetrating radar to find overlapping tracks from 12,000 years ago.
Ancient Egyptians believed the Nile was eternal -- and they may have been on to something.
Arctic coastlines have not been considered carefully in carbon cycles for long, but new research suggests that eroding permafrost may emit more greenhouse gases than previously thought.
Temperature fluctuations, maybe from climate or maybe from geothermal systems, amplified a natural process that grew the crystals.
Small but significant.
Some bubbles were up to 750 feet (228 meters) across.
Mars' past seems to be more and more interesting.
We’re all faulty.
Pop goes the volcano.
For decades, researchers have been trying to detect the influence of climate on river formation -- now, they've done it.
Molten rock shooting for the moon, huge tsunamis hundreds of feet tall, and global wildfires were triggered immediately after the impact.
This used to mess up our calculations, but now we understand why.