Orchids are usually prized for their loveliness, but a newly described species is no beauty.
Hawaii's Kilauea volcano erupted beginning Sunday (Dec. 20) night local time, with dramatic lava fountains and huge puffs of gas and steam being launched from the summit crater called Halema'uma'u.
Today's winter solstice will boast the year's fewest hours of daylight for the Northern Hemisphere. Here's why.
A chunk of ice about the size of Queens and the Bronx combined has broken off what was, until this fracture, the world's largest iceberg.
Crops grown near the Chernobyl nuclear site in Ukraine are still contaminated with radiation from the explosive 1986 disaster.
The moon's tides affect how much methane is released from seafloor sediments and the implications are huge.
A mammoth oil tanker is decaying into the Red Sea, threatening to pollute the water supply of millions of people and the world's most resilient coral reef.
The U.S. can cut its carbon output to zero by the middle of the 21th century, according to a major new Princeton University study. It might even save money.
The world’s largest iceberg appears days away from crashing into a penguin-filled island. These robots will study the aftermath.
It would only seem appropriate that the final eclipse in this eccentric year of 2020 will be visible only from Patagonia — nicknamed "the end of the world."
Scientists investigated the unexplained booming sounds known as "Seneca Guns," heard near coastal North Carolina.
Scientists are modeling when Earth's next supercontinent phase will begin, and how that could affect global climate.
Iceberg A-68a is just a few hundred miles from crashing into South Georgia island, new photos from the Royal Air Force reveal.
From vanishing sea ice to blistering air temperatures to zombie fires, climate change is reshaping the Arctic. And that transformation may be permanent, researchers said.