Laser diodes are semiconductors that generate light and amplify it using repeated reflection or "optical feedback." Once the ...

By observing tiny ripples in spacetime called "gravitational waves" that propagate away from colliding black holes, ...

Trump shares D.C. plane crash theory as he goes off script at National Prayer Breakfast: Live - President pledges that ...

The Tetrahedron Constellation Gravitational Wave Observatory would consist of four satellites positioned in space ...

And businesses may find themselves navigating polarized stakeholder reactions. Q: What message would you give businesses navigating all of this? A: When DEI initiatives are attacked, companies need to ...

A GoFundMe hub, created to support the families of those who died in the DC plane crash, has raised almost half a million dollars. The page collates separate appeals for plane crash victims ...

open image in gallery Some of the many victims of the Washington plane crash. Top row L-R: Jonathan Campos, Samuel Lilley, Ian Epstein, Andrew Eaves. Bottom row L-R: Danasia Elder, Ryan O'Hara ...

Both the voice and data recorders have been recovered from the plane, according to Inman. The NTSB has begun the process of extracting data from them, a process that the board member said will ...

The chopper was a military helicopter, according to the FAA. The plane reached an altitude of about 1,600 feet during its first descent, FlightAware shows. At the same time, the airline's ...

WASHINGTON -- A Howard University Law professor and former Kansas beauty queen was among the 67 people presumed dead after a midair crash involving a passenger plane and Army helicopter in ...

Air traffic control audio suggests the helicopter crew may have misidentified the incoming passenger plane, potentially due to limited visibility and the use of night-vision goggles. Some experts ...