EarthSky Voices
Panda eating a piece of bamboo.

Save the giants, save the planet

Protecting large animals such as elephants and whales, and large plants like the sequoias, has a disproportionate positive impact on the health of the planet and resilience to climate change.

Splotches of bright colors and sparkly lights.

New clues in the search for the universe’s oldest galaxies

An astronomer reports on a very old galaxy cluster – labeled XLSSC 122 – whose light has taken 10.4 billion years to travel across the universe to us.

Poll reveals climate change as most important issue for U.S. adults

A Harris Poll survey – conducted online in December on behalf of the American Psychological Association – reports that more than half of U.S. adults (56%) cite climate change as the most important issue facing the world today.

Australian smoke plume sets records

The recent wildfires in Australia sent one of the largest plumes of smoke higher into the the stratosphere than satellites have ever before observed.

Ötzi the Iceman’s final days

Scientists have identified ancient mosses in, on and around the 5,300-year-old glacier mummy that add to the story of the final 48 hours before his murder.

Treeless, ruddy landscape

This Australian meteor crater is oldest known, says study

“We found the world’s oldest asteroid strike in Western Australia. It might have triggered a global thaw.”

Olive-green oval with a bright ball in the center.

Why planets have size limits

Why isn’t there an endless variety of planet sizes in the universe? Why are most planets like those in our solar system: small and rocky, or big and gaseous? 

Were snakes the source of China’s coronavirus outbreak?

A report suggests that snakes – the Chinese krait and the Chinese cobra – might have been the original source of the coronavirus that’s triggered an outbreak of deadly infectious respiratory illnesses in China this year.

Brown log-like shapes in wavy water.

Meet the narwhal, ‘unicorn of the sea’

This Arctic whale has the only spiral tooth found in nature. But there’s more to the narwhal than its unique tusk.

Partial human skull fossil.

Human evolution: 20 years of discoveries

The pace of archaeological discoveries has picked up in recent decades, helping to refine the human story.