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Chile forest fire toll rises, hundreds left homeless

Forest fires have killed 24 people, injured nearly 1,000 and destroyed 800 homes in five days as a blistering heat wave grips south-central Chile, authorities said Sunday.

Study reveals new clues about how 'Earth's thermostat' controls climate

Rocks, rain and carbon dioxide help control Earth's climate over thousands of years—like a thermostat—through a process called weathering. A new study led by Penn State scientists may improve our understanding of how this thermostat responds as temperatures change.

Death toll in Chile forest fires rises to 23: official (Update)

At least 23 people have died in hundreds of forest fires whipped up amid a blistering heat wave in south central Chile, a senior government official said Saturday night.

Upsurge in rocket launches could impact the ozone layer

University of Canterbury (UC) researchers have summarized the threats that future rocket launches would pose to Earth's protective ozone layer, in a new review article published in the Journal of the Royal Society of New Zealand.

AI is helping us search for intelligent alien life—and we've found 8 strange new signals

Some 540 million years ago, diverse life forms suddenly began to emerge from the muddy ocean floors of planet Earth. This period is known as the Cambrian Explosion, and these aquatic critters are our ancient ancestors.

Dolphins, humans both benefit from fishing collaboration

A fishing community in southern Brazil has an unusual ally: wild dolphins.

Children lost one-third of a year's learning to COVID, new study shows

Children's learning progress has slowed substantially during the pandemic, roughly equating to a loss of around 35% of the typical learning in a school year, according to a new study.

Thirteen dead as Chile forest fires provoke state of disaster

Chile has declared a state of disaster in several central-southern regions after a devastating heat wave sparked forest fires that left at least 13 people dead, authorities said Friday.

Endangered monarch butterflies face perilous storm

As devastating storms pounded California, nature lovers feared for endangered monarch butterflies that winter there as part of a seemingly magical migration pattern.

Protecting 30 percent of oceans a huge challenge for the planet

How do we go from protecting eight percent of marine areas to 30 percent in less than 10 years? This question is at the heart of a global forum in Canada this weekend aiming to save marine ecosystems under threat from overfishing, pollution and climate change.

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