Archaeologists use volcanic glass to figure out how people survived.

The algorithms that promise to predict wildfires and optimize energy grids are powered by servers that drink up rivers and belch out more carbon than cars.

Meet the supermassive black hole’s smaller, much more mysterious cousin.

Advanced light microscopy techniques have come into their own—and are giving scientists a new understanding of human biology and what goes wrong in disease.

New evidence suggests the universe might not behave as expected, raising questions about the costs of being wrong.

And how we may have finally found some.

Researchers are creating advanced simulations that will provide a deeper understanding of Mars’s climatic history and help to determine whether it was once able to sustain life.

A new study shines light on its history.

Out of the limelight, theoretical physicists seek the math that can explain the universe’s particles and forces.

Scientists might be looking for Martian life in the wrong place.