SAN FRANCISCO -- The large and bright 'X' logo that sat on top of the San Francisco headquarters of the company formerly known as Twitter has been taken down. And now, the company will be fined for ...

As daylight diminishes people can feel their mood dimming. Experts say starting light therapy in the fall can help fend off winter depression. As the days get shorter, many people may also find their ...

SOUTH SAN FRANCISCO, Calif. -- Standing tall atop a 581-foot hill, Sign Hill Tree illuminates the night sky with its 784 bulbs. The vibrant landmark can be seen far and wide, shining as a symbol of ...

FEW PEOPLE enjoy the gloom that comes with winter in the world’s higher latitudes. In up to a tenth of the population, the long nights can trigger a type of depression known as seasonal affective ...