Planet Earth

A pair of odd twisters spun out from a supercell thunderstorm in Oklahoma Tuesday (April 30).

Arabica coffee plant appears to have evolved between 600,000 and 1 million years ago after two other coffee species crossbred in the forests of what is now Ethiopia.

Scientists have yet to reach the bottom of the Taam Ja' Blue Hole in Mexico's Chetumal Bay, which new measurements hint could be connected to a labyrinth of submarine caves and tunnels.

A satellite image of the Galápagos Islands' La Cumbre volcano shows lava seeping from the iguana-covered mountain days into an ongoing, months-long eruption.

A Saharan dust storm that reached southern Greece on Tuesday (April 23) has turned the sky over Athens and other Greek cities an apocalyptic reddish-orange hue.

Researchers have found microbes thriving 13 feet beneath the scorched surface of Chile's Atacama Desert, marking the deepest discovery of microbial life in the region to date.

Yellowstone's lake's ice cover has remained unaffected by increasing temperatures due to increased snowfall. But this could make it vulnerable to a sudden shift.

The oldest firm age yet for Earth's magnetic field suggests that it developed before a solid planetary core, 3.7 billion years ago.

A giant-hail event that hit Girona in northwest Spain in 2022 was fueled by climate change, with a marine heatwave helping to intensify the storm that killed a small child.

Researchers think a microbe that was engulfed by an algal cell 100 million years ago has since evolved into an integral part of the cell's machinery.