Clues about water in Earth's deep interior were recently extracted from rare diamonds.
The oldest three-dimensional green algae fossil ever found dates back more than half a billion years and may reveal that plants are older than believed.
The explosive Hunga Tonga-Hunga Ha'apai volcanic event spewed so much moisture that it increased the global average of atmospheric water vapor by 5%.
Hurricane Katrina was the most expensive hurricane in history, while a 1780 storm killed the most people of any hurricane.
An astronaut's photo of Mount Ruapehu, the real-life "Mount Doom" volcano, shows the contrast between the hydrothermal lake at its summit and the snow surrounding its peak.
Tens of thousands of people in Japan have already sought shelter from powerful storm Nanmadol, which could be the most destructive in decades.
Coastal Alaska is recovering after a weekend of brutal flooding caused by the remnants of Typhoon Merbok.
Vast underwater forests grow on the sea bottom; collectively, they cover more area than the entire Indian continent.
An astronaut recently captured a stunning image of a "sunglint" that transformed the sea surrounding two Greek islands into a swirling silver mirror.
A new study that reassesed decades of work of climate "tipping points" has revealed they are more numerous and closer to being triggered than researchers initially feared.
A massive geomagnetic storm that was recorded across East Asia for nine days in 1770 suggests such solar flareups are surprisingly common.
A gigantic solar storm hit Earth about 2,600 years ago, one about 10 times stronger than any solar storm recorded in the modern day, a new study finds.
Earth's outer shell is made of rocky rafts that dive beneath each other. The diving plates weaken, but do not break, according to a new study.
Japan has such a large potential for earthquakes and disaster because the nation sits atop four tectonic plates.