Cyclic changes in the tilt of the Earth's axis and the eccentricity of its orbit have left their mark on hills deep under the ocean, a study published in Science has found.
A moon-sized celestial object that crashed into the south pole: ETH researchers use a simulation to demonstrate why Mars consists of two notably different hemispheres.
The "warming hiatus" that has occurred over the last 15 years has been partly caused by small volcanic eruptions.
There's nothing subtle about the story told by the rocks in northern Italy's Sesia Valley. Evidence of ancient volcanic activity is all around, says geologist and volcanologist James Quick, Southern Methodist University, ...
Thanks to a break in the dusty 'weather' over the giant Hellas Basin at the beginning of this year, ESA's Mars Express was able to look down into the seven kilometre-deep basin and onto the frosty surface of Hellas Chaos.
Scientists are using volcanic gases to understand how volcanoes work, and as the basis of a hazard-warning forecast system.
Living alongside active volcanoes in places like Japan, the Philippines and especially Indonesia can be uncomfortable.
Volcanoes on Mercury may have been more explosive than previously anticipated, and they may have erupted more recently, as well.
NASA's Lunar Reconnaissance Orbiter (LRO) has provided researchers strong evidence the moon's volcanic activity slowed gradually instead of stopping abruptly a billion years ago.
Doctors have determined that almost all of the dozens of people killed on a Japanese volcano died of injuries from being hit by rocks that flew out during its eruption, police said Thursday.