All Stories

Physics

Noises sound totally different on Mars than on Earth. Here’s why

The Perseverance rover recorded the sound of laser pulses on Mars. Scientists used those recordings to determine the Martian speeds of sound.

Animals

Some Greenland polar bears are surviving with very little sea ice

The ‘glacial mélange’ on which they’ve come to rely — a mix of ice, snow and slush — could be a temporary refuge for some polar bears.

Animals

Palm-size marsupials may face extinction from wild ‘house’ cats

After surviving Australian bushfires, the Kangaroo Island dunnart is losing ground as it's targeted by hungry predators.

Chemistry

Let’s learn about diamond

Diamond is born under extreme heat and pressure inside Earth and elsewhere in the universe.

Tech

Scientists Say: Virtual reality

Virtual reality is an immersive, 3-D artificial environment created by a computer.

Tech

This robotic finger is covered in living human skin

The advance brings super realistic cyborgs one small step closer to reality.

Brain

Why teens can’t help tuning out mom’s voice 

 Teens often tune out what their mom is saying. Normal brain changes during adolescence could explain why, new research shows.

Planets

Ancient volcanoes may have left ice at the moon’s poles

Volcanic eruptions billions of years ago may have produced several temporary atmospheres on the moon that held water vapor.

Health & Medicine

Joggers run at an energy-efficient pace, new data show

Fitness trackers and treadmill tests show that a runner’s speed tends to vary little, regardless of the distance they run.

Animals

‘Mystery monkey’ could mean its parent’s species may be in trouble

Changes to monkeys’ habitats — including some forest loss to oil palm plantations — might explain why this animal’s parents mated.

Earth

Scientists Say: Fault

A fault is a crack in Earth’s crust where pieces of rock scrape past each other.

Planets

The InSight lander has caught a large ‘earthquake’ on Mars

This magnitude 5 quake is offering scientists a peek at what’s going on beneath the Martian surface.