A report released July 1 by cybersecurity startup Halcyon Tech Inc. is warning of a new ransomware group that frequently makes phone calls to pressure victims into paying up. Dubbed “Volcano Demon,” ...

Mount Semeru, a stratovolcano on the Indonesian island of Java, has logged more eruptive events than any other volcano on the ...

Roughly 80 percent of all volcanic eruptions on Earth happen underwater, far from any seismograph station or satellite camera ...

For the first time, researchers found recent geological evidence of volcanic activity on Venus. Scientists had suspected that the planet was volcanically active but could never find direct evidence.

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