The fundamental nature of living things challenges assumptions that physicists have held for centuries.

Little Foot is a near-complete Australopithecus skeleton — the most complete ever discovered — from South Africa. Researchers ...

The Atacama Cosmology Telescope in Chile has released its final batch of data after 15 years — and it proves that the Hubble ...

Our universe is filled with galaxies, in all directions as far as our instruments can see. Some researchers estimate that ...

Star maps and charts are a mainstay of both amateur and professional sky observers. Whether it's on a simple seasonal map or ...

For a quarter century, cosmologists have treated dark energy as a fixed, featureless pressure that steadily drives galaxies ...

Paul Sutter explores how ancient creation myths and modern cosmology answer the same questions, framing the Big Bang as a scientific creation story rooted in observation and theory ...

Two exhibitions on view in New York delve into artists' long-standing fascination with the unknown, and what it says about ...

Three thought experiments involving “demons” have haunted physics for centuries. What should we make of them today?

Current physics is speeding toward a breaking point, as astronomers confirm that the Hubble tension in new data.

For much of the twentieth century, scientists expected the expanding universe to slow over time. The opposite turned out to ...

Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their ...