The best weather conditions for viewing the colorful light display will be in much of the West while New England was “a question mark,” a forecaster said.

Richard Slayman received the historic procedure in March. The hospital said it had “no indication” his death was related to the transplant.

In a cautious new paper, scientists tried to determine whether an interactive speech board might enrich the life of a parrot named Ellie.

Electrical utilities said they weathered earlier conditions as persistent geomagnetic storms were expected to cause another light show in evening skies.

By sequencing an enormous amount of data, a group of hundreds of researchers has gained new insights into how flowers evolved on Earth.

The unusual sight of aurora borealis was visible in several European countries on Friday, and in multiple parts of the United States.