Spectators flock to Iceland volcano

Curious onlookers made their way Thursday to the site of a volcano erupting near Iceland's capital Reykjavik to marvel at the bubbling lava, a day after the fissure appeared in an uninhabited valley.

How did Earth avoid a Mars-like fate? Ancient rocks hold clues

Approximately 1,800 miles beneath our feet, swirling liquid iron in the Earth's outer core generates our planet's protective magnetic field. This magnetic field is invisible but is vital for life on Earth's surface because ...

Giant tooth of ancient marine reptile discovered in Alps

The fossils of three ichthyosaurs—giant marine reptiles that patrolled primordial oceans—have been discovered high up in the Swiss Alps, and include the largest ever tooth found for the species, a study said Thursday.

Scientists scour 'Mexico's Galapagos' for quake, volcano clues

Could a volcanic eruption off Mexico's coast unleash a tsunami like the one that devastated Tonga? What really causes tectonic plates to shift and trigger earthquakes? Scientists visited a remote archipelago in search of ...

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