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The key to understanding the origin and fate of the universe may be a more complete understanding of the vacuum.

Partnerships between engineers and biologists have begun to reveal how birds evolved their superb maneuverability.

Structural studies of the robust material called sporopollenin reveal how it made plants hardy enough to reproduce on dry land.

Protein buildups like those seen around neurons in Alzheimer’s, Parkinson’s and other brain diseases occur in all aging cells, a new study suggests. Learning their significance may reveal new strategies for treating age-related diseases.

Neuroscientists uncovered an energy-saving mode in vision-system neurons that works at the cost of being able to see fine-grained details.

Computer scientists can now solve a decades-old problem in practically the time it takes to write it down.

Jared Duker Lichtman, 26, has proved a longstanding conjecture relating prime numbers to a broad class of “primitive” sets. To his adviser, it came as a “complete shock.”

The second law of thermodynamics is among the most sacred in all of science, but it has always rested on 19th century arguments about probability. New arguments trace its true source to the flows of quantum information.

“Ribbon concordance” will let mathematicians compare knots by linking them across four-dimensional space.