Earth

Scientists studying Jurassic rocks in China found that cyclical changes in Earth's orbit affected not only the climate, but also the development of shale oil reserves.

Iceberg A23-A has been around since the Chernobyl explosion and Space Shuttle Challenger accident...but perhaps not for much longer.

The reservoir seen in this image is sometimes referred to as the "eye of Quebec."

Do you want to build a snowman?

"I am the watcher on the walls."

Why do people often adopt and develop beliefs that lack strong supporting evidence?

The image offers a rare look at how Earth's surface and atmosphere interact after sunset.

The microwave-sized sensor detects 'spectral fingerprints' of important minerals.

The South Sandwich Islands were born from a tectonic collision, forged by volcanism and relentlessly reshaped by ice, wind and waves.

The first scientific balloon flight happened on Dec. 16, 2025.