Future sea level rise: When, where, how much?

Scientists have grown more confident about sea level rise projections for the next few decades, but competing factors make it hard to see far into the future.

Dinosaurs already in decline before asteroid?

Life was already getting harder for dinosaurs before an asteroid wiped them out.

Wildfire smoke blankets North American skies

Wildfire smoke from Canada and the western United States has blanketed North America this week. See photos and video.

Mares’ tails over the Pacific Northwest

Mares' tails - aka cirrus uncinus clouds - are found high above Earth's surface, where the air is very cold. They might mean rain is on the way.

Love sea turtles? Here are 7 cool facts

Sea turtles are fascinating creatures. Learn some facts about these much loved marine reptiles.

Study sees surge in coastal flooding in 2030s

From NASA JPL. In the mid-2030s, the U.S. coast will experience increasing coastal flooding, when the lunar cycle will amplify already rising sea levels.

Snakes’ forked tongues let them smell in stereo

An evolutionary biologist explains how snakes use their tongues to collect and transport molecules to vomeronasal organs in their mouths, not to taste them, but to smell them.

Are mud volcanoes true volcanoes?

Mud volcanoes are areas where clay rocks are carried from Earth's interior and expelled onto the surface in eruptions that can sometimes include fiery displays.

What causes a highway mirage?

A highway mirage is most often seen in summer, when the roadway ahead of you might be much hotter than the air above. Here's what causes it.

An Antarctic lake suddenly disappears

Years of accumulated meltwater in an Antarctic lake suddenly drained into the ocean during the winter of 2019.

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