Denis Smith Liquid Light Gallery

Astronomers will test equipment that, if it’s successful, will one day be crucial for discovering Earthlike planets.

An underground detector recorded a strange interaction pointing to a particle with some properties that signify dark matter. The detection is small but promising.

And if your tap water is undrinkable, you have no “constitutional right to truthful information” about it.

Dark energy might be getting weaker. Scientists are wondering if interactions with dark matter in a “dark dimension” may be responsible.

The main action took place at Geneva Watch Days, but others dialed in remotely to make sure it wasn't just a Swiss party.

The team embedded electrodes into live cockroaches, then outfitted them with cameras and injection devices to deliver medication via remote control.

The eclipse will obscure about 93 percent of the moon’s surface. Here are the peak times and tips for the best viewing experience.

How the joule thief circuit “steals” energy from seemingly depleted power cells.

S301 passes close to Sagittarius A*—so close that its orbit could reveal how the black hole’s rotation warps the spacetime around it.