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Newfound Object Is Faintest Distant Galaxy Seen at Universe’s Edge
Astronomers have found the faintest galaxy yet seen in the deep, distant reaches of space, an object whose light...
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Copenhagen Aims for Climate Neutrality By 2025
By investing in bike paths and energy-efficient buildings, the capital of Denmark aims to produce no more CO2 than...
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Protein Knots Gain New Evolutionary Significance
A new study suggests that protein knots, a structure whose formation remains a mystery, may have specific functional advantages...
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Spy Telescopes Could Advance U.S. Dark Energy Mission
The two telescopes were designed to gaze down upon Earth from space to collect intelligence. Now, NASA hopes to...
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Sustainability Hinges on Local Policies, not Global Goals
In the run-up to the UN Conference on Sustainable Development (Rio+20) in Brazil, much has been written about how to...
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Lucid Dreaming: Rise of a Nocturnal Hobby
Lucid dreaming technically refers to any occasion when the sleeper is aware they are dreaming. But it is also...
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Why Humans Prevailed Over Neanderthals
One hundred thousand years ago, several humanlike species walked the Earth. There were tribes of stocky Neanderthals eking out...
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South Korea Surrenders to Creationist Demands
Mention creationism, and many scientists think of the United States, where efforts to limit the teaching of evolution have...
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Fossil Discovery Sheds New Light on Evolution of Higher Primates
A team of researchers has announced the discovery of Afrasia djijidae, a new fossil primate from Myanmar that illuminates...
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How Infectious Disease May Have Shaped Human Origins
Roughly 100,000 years ago, human evolution reached a mysterious bottleneck: Our ancestors had been reduced to perhaps five to...