In April, scientists announced that they had used NASA’s James Webb Space Telescope to find a potential signature of alien life in the glow of a distant planet. Other scientists were quick to ...

Climate change left its signature on the atmosphere early in the industrial revolution, reveals a thought experiment ...

Sustainable materials—powered by sunlight and living microbes—that remove pollutants from water, release oxygen into a wound ...

2021’s Biggest Breakthroughs in Math and Computer Science It was a big year. Researchers found a way to idealize deep neural networks using kernel machines—an important step toward opening these black ...

Scientists have uncovered a surprising new way that urea—an essential building block for life—could have formed on the early Earth. Instead of requiring high temperatures or complex catalysts, this ...