Articles by

Katherine Kornei

Juno reveals dozens of lava lakes on Jupiter’s moon Io

Jupiter’s moon Io, the most volcanically active body in the solar system, is littered with hundreds of...

An African strontium map sheds light on the origins of enslaved people

A little-known element is shedding light on the transatlantic slave trade. Researchers have assembled a map of...

A weaker magnetic field may have paved the way for marine life to go big

Earth’s magnetic field protects life from harmful cosmic radiation. But sometime between about 590 million and 565...

An asteroid may have exploded over Antarctica about 2.5 million years ago

Around 2.5 million years ago, an asteroid may have exploded over Antarctica.  The evidence comes from a...

Ocean heat waves often lurk out of sight

Heat waves don’t just strike on land — they can also occur in the ocean. And roughly...