2020 was Earth's hottest year in the 140-year record, effectively tying 2016, the previous record-holder.

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Megalodons - the extinct giant sharks that lived in most of Earth's oceans about 3 million years ago - gave birth to babies that were larger than adult humans, scientists say.

Last year, the U.S. experienced a record-smashing 22 weather and climate disasters that killed at least 262 people and injured scores more. Damages exceeded $1 billion each and totaled approximately $95 billion for all 22 events.

Forty years of satellite data show that 2020 was just the latest in a decades-long decline of Arctic sea ice.

Popocatépetl volcano near Mexico City has been erupting since January 2005. On January 6, Mexico’s National Center for Prevention of Disasters, which continuously monitors the volcano, warned people not to approach due to an outburst that caused falling ash and rock fragments.

NOAA’s 2020 Arctic Report Card describes a region that is warming even more rapidly than scientists expected.

Overnight on Sunday, USGS reported lava fountains that shot nearly 165 feet into the sky from a fissure on the eastern side of Kilauea volcano in Hawaii. Lava has replaced the water that was in the basin of the crater, and a new lava lake was formed.

Antarctic iceberg A-68A has drifted menacingly close to a remote island in the southern Atlantic Ocean. The giant iceberg could strike land this month. It has now split into 2 pieces.

December solstice sunrise comes at the same time for St. Augustine, Florida, and New York City. But St. Augustine has an hour more of daylight than New York. Here's why.