Eleanor Imster
Fiery orange lighting up night sky above a mountain, lava streaking down the side.

Guatemala’s Pacaya volcano still erupting

The Pacaya volcano in Guatemala is still erupting, spewing rivers of lava and ash clouds. See photos, video, and satellite images.

Scaly head of a dinosaur with an open mouth showing lots of big, sharp teeth.

Newly-discovered dino named the ‘one who causes fear’

Around 80 million years ago, as tyrannosaurs ruled the Northern Hemisphere, Llukalkan aliocranianus – or the ‘one who causes fear’ – flourished in the southern continents.

Top 10 new marine species

A list of 10 new ocean species discovered in 2020.

Red lava pouring from a volcanic crater.

Stunning images of Fagradalsfjall volcano in Iceland

After 800 years of dormancy, Fagradalsfjall volcano on Iceland’s Reykjanes peninsula began a magnificent eruption on March 19. See video and images.

Map of China with moving blob of orange.

Air pollution returning to pre-Covid levels

In early 2020, satellite data showed a decline in air pollution coinciding with Covid lockdowns. One year later, as lockdown restrictions loosen and regular activity resumes, air pollution is bouncing back to pre-Covid levels.

China’s largest dust storm in a decade hits Beijing

A satellite image shows an enormous plume of sand and dust that blanketed northern China on March 15, 2021.

Aerial view of blue river winding through green forested landscape.

Climate change altering Earth’s rivers

A new study suggests that climate change is the key driver of changes in water flow in rivers worldwide.

Irregular yellow shapes with red spots on them.

How Antarctica was linked to old Gondwana neighbors

A new animation illustrates how Antarctica was linked to its ancient neighbors – today’s Australia, India and South Africa – as part of the ancient Gondwana supercontinent.

Vote for your favorite Earth photos by ISS astronauts

Vote for your favorite photo of Earth taken by ISS astronauts in NASA’s Tournament Earth 2021 contest.

Astronaut in spacesuit outside a large, complicated spacecraft.

Watch ISS spacewalk March 5

On Friday, March 5, two astronauts will perform the 2nd in a pair of International Space Station spacewalks to ready the station for solar array upgrades. How to watch live.