Santorini earthquake swarm rattles island: Experts explain

The Santorini earthquake swarm has tourists rattled and thousands evacuating the island. Scientists from GFZ explain what's going on.

What if Bennu hit Earth? Simulations suggest catastrophe

Scientists have simulated what would happen if Bennu hit Earth. They said the effects could linger longer than those of the dinosaur-killing asteroid.

Aliens could detect Earth from 12,000 light-years away

Researchers looking for aliens say Earth might be detectable by ETs with tech like our own. Our civilization can be seen from 12,000 light years away.

Yet another atmospheric river to strike US West Coast today

An atmospheric river has been pummeling California since the weekend, with wind, heavy rain and snow at high elevations. Another one is expected later today.

Tigers in India see remarkable population recovery

Due to successful conservation efforts, tigers in India have increased 2-fold since 2010. India now has 75% of the world’s tiger population.

Polar bears have unique ice-repelling fur

How do polar bears stay warm in the frigid Arctic? Scientists have found their greasy hair keeps ice from forming on their coats.

Can you ID these cities at night from space? Take the quiz!

Take this fun quiz to see how many cities at night you can identify from images astronauts took aboard the International Space Station.

Cascade volcanoes still have large pools of magma

Researchers have used seismometers to discover pools of lava sitting under dormant Cascade volcanoes in the Pacific Northwest.

Hummingbirds snooze when energy is low

Some species of hummingbirds undertake long migrations. To save energy, they enter a state of hibernation called torpor. Read more about it here.

What is the pyrocene? An epoch of human-caused fire

The pyrocene is a newly proposed term to describe a geologic epoch forged by the influence of human-caused fire on Earth.