As the climate warms, tropical birds living in the mountains are retreating to higher elevations to avoid the heat. What happens when they run out of mountain slope to escape to?
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Countries Urge Increased International Research in the Arctic
A joint statement from countries with interests in the Arctic emphasizes the need for scientific collaboration in this rapidly changing region but sidesteps attributing climate change to human activities.
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Brine Pools Emerge as a New Place to Search for Life on Mars
Some pools of salty water on the Red Planet could contain enough dissolved oxygen for microorganisms and sponges to survive, new calculations suggest.
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Trump Administration Advances Controversial Space Force Plans
The National Space Council moves ahead with plans to establish a new branch of the military, but a prominent Democratic congressman voices opposition.
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Microplastics Found in Human Stool
Tiny slivers of plastic are making it all the way into humans’ guts and into their feces, a new study shows.
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Huge Blades of Ice May Partially Cover Jupiter’s Moon Europa
Conditions are right for “penitentes” up to 15 meters high to form on the Jovian moon, new research shows. The spires might prevent a lander from exploring Europa’s equatorial region.
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How Old Is the Mekong River Valley?
Granite samples collected from the Mekong River Valley reveal that the river’s path was incised roughly 17 million years ago, most likely by increased erosion from monsoon precipitation.
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U.S. Mint Unveils Design for Special Apollo 11 Coin
The showcase of a commemorative coin kicks off national celebrations of the Apollo anniversaries.
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Mercury Mission Will Map Morphology and Measure Magnetics
BepiColombo may launch as early as this weekend. It seeks to unravel the mysteries of Mercury’s geologic and magnetic past and map the small planet’s cratered surface.
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Roger G. Barry (1935–2018)
Barry, a giant in climate and cryospheric sciences, pioneered the archival of computer data and traveled the world to share his vision with others.