Planet Earth

Tree rings suggest the Northern Hemisphere summer of 2023 was the hottest in 2,000 years, with temperatures exceeding those of the coldest summer in the same period by 7 degrees Fahrenheit (3.9 Celsius).

An immense geomagnetic storm caused auroras as far south as Florida for the first time in 21 years after the sun unleashed a wave of solar flares and at least seven coronal mass ejections at Earth.

Ancient zircon crystals hold chemical clues that of freshwater may have existed on Earth soon after it formed.

It's well known that earthquakes can rock fault-filled places like the U.S. West Coast. But why do earthquakes happen in the middle of tectonic plates?

The massive caldera of Turkey's Mount Nemrut volcano is split in half, with one side made of solidified lava flows and the other half a deep crater lake. Covered in snow, the summit scene looks like the yin-yang symbol when viewed from above.

In this excerpt from his new book "What if Fungi Win?" microbiologist and immunologist Arturo Casadevall examines the rise of the deadly yeast Candida auris.

An odd earthquake swarm has struck the region between the Czech Republic and Germany, far from any tectonic plate boundary.

Turkey's magical "fairy chimneys" in Cappadocia were carved out of an ancient volcanic landscape over millions of years before humans turned them into hiding dens.

A new study of seismic data from Antarctica finds that the mantle may be stranger and more variable than previously believed, with pieces of ancient crust that have been dragged down by tectonic forces.

The planet's magnetic field may have collapsed around 600 million years ago, enabling a major oxygenation event and perhaps supercharging evolution.