These radical new devices keep time using fluctuations in the energy states of an atom’s nucleus, rather than those of its ...

Noether's work helped prove the conservation of energy in physics, a key foundation for Einstein's theory of relativity ...

Poor preparation and a failure to properly apply the coating may be just a few of the reasons why the Reflecting Pool’s new ...

NASA wants to send an ambitious fleet of helicopters to soar through Martian skies—but scientists fear the endeavor could ...

Using carbon isotopes in the comet to estimate its age, the authors believe it may be even more ancient than earlier ...

The latest generation of obesity drugs might have another potential benefit: improving fertility in men. A systematic review ...

Fathers show changes in some of the same brain areas as mothers, but the effect of parenthood on dads isn’t nearly as well ...

From tiny hamsters to giant salamanders, here are some of the most unusual examples of fatherhood across the animal kingdom ...

The James Webb Space Telescope has found nearby brown dwarfs masquerading as far-distant galaxies. The discovery reinforces ...

If you subscribe to Scientific American, you help ensure that our coverage is centered on meaningful research and discovery; that we have the resources to report on the decisions that threaten labs ...

This partnership marks the latest foray into space exploration for Relativity Space, which aims to build cheap, reusable ...

A new method that detects whether bones have been burned reveals Homo erectus brought fires into caves far earlier than ...