When we think of ice on Mars, we typically think of the poles, where we can see it visibly through probes and even ...

HONOLULU — Lava began bubbling out of Hawaii’s most active volcano once again on Tuesday as Kilauea’s sporadic eruption resumed. Watch the eruption in the player above. The eruption restarted at ...

What if the most telling indications of an impending volcanic eruption are buried deep under the ocean, or in a fleeting succession of tiny quakes that no one perceives? As volcanoes of the Pacific ...