NASA’s new lunar cave mission will investigate Marius Hills Pit, searching for underground lava tubes that could one day ...

Ice caves in Lava Beds National Monument, their climates traditionally defined by narrow temperature ranges, are becoming ...

Will the latest round of the West's water wars mean the death of Mono Lake?

The European Space Agency's Mars Express captures Alba Mons, a Martian volcano, stretching about 620 miles wide in this June ...

New findings from a European Space Agency spacecraft suggest that Mars may still have volcanic activity beneath its surface.

New evidence from gas seeping above volcanic rifts suggests Mars is not geologically dead deep inside, but merely sleeping.

A dormant magma chamber may be hidden beneath the surface of Mars, according to new research published on Wednesday. The ...

It's one of the biggest unanswered questions in science - if there are aliens out there, where are they hiding? Now, ...

Scientists believe gas seeping above volcanic rifts, detected by a European Space Agency (ESA) orbiter, suggests Mars is not ...

Among Kepler and TESS's many surprising exoplanet discoveries are the ultra-short-period (USP) planets. These planets move very quickly and complete an orbit in less than 24 hours. Ancient astronomers ...

New “smoking gun” evidence of volcanic activity on Mars suggests there could be life on the red planet, say scientists. They believe gas seeping above volcanic rifts, detected by a European Space ...

Kilauea is a basaltic volcano, driven by magma from a deep hot spot. Over time it has build a summit on top of the older Mauna Loa lava pile, and a one-sided eastern ridge extending far into the ...