“While previous studies mostly focus on original system design and numerical simulation, we report a rational and universal design strategy of thermogalvanic electrolytes, enabling a record-high ...

Search efforts continue after an American Airlines plane from Wichita, with 64 people on board, collided with an Army helicopter near Washington, D.C., and crashed into the Potomac River.

Ronald Reagan National Airport is closed, and flights are being diverted. Officials were still searching for other casualties but did not believe there were any other survivors, which would make it ...

Passengers on the flight included a group of figure skaters, their coaches and family members who were returning from a development camp that followed the U.S.

Before Wednesday’s crash near Washington, D.C., there had not been a fatal collision involving a commercial aircraft in the United States since 2009.

A frantic search for survivors is underway after a passenger plane collided with a US Army helicopter midair near Reagan ...

Ocean warming has quadrupled since the 1980s. Rising sea temperatures threaten marine life and coastal communities.