New data reveals a 3-million-light-year filament connecting two galaxies, each of which hosts a supermassive black hole.

Every Tuesday we get an expert to answer your Money Problems. Today we hear from a reader whose company is passing down the ...

The White House says it's a 'fact' that the Gulf of Mexico has been renamed. Is that right? - For more than four centuries, the body of water stretching from Florida through Texas and into Mexico has ...