Posts by 

Eleanor Imster

Celebrate Earth Day 2021 with NASA

For Earth Day 2021 (April 22), NASA highlights science and technology that is helping us live more sustainably on our home planet and adapt to natural and human-caused changes. Here's how to participate.

Listen to a spiderweb

Spiders are master builders, expertly weaving strands of silk into intricate 3D webs. Now, scientists report they have translated the complex structure of a web into music. Listen here.

Carbon dioxide levels now higher than at any time in past 3.6 million years

Levels of atmospheric carbon dioxide (CO2) and methane continued to rise in 2020, said NOAA, despite the economic slowdown caused by the coronavirus pandemic response.

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.

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.

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.

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.

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.