While many travelers think they have to head to Europe to see the Northern Lights, you can actually spot this phenomenon without leaving the United States.
If you, like millions of other Americans, are traveling this Thanksgiving, you may already be dreading it.
Sometimes Earth looks like a whole 'nother planet.
Explore the real-life mysticism of Salem, Massachusetts.
America's national parks and monuments are at risk.
You don’t need to fly to the American northeast to experience one of the most quintessential aspects of autumn — those kaleidoscopic fall leaves that blanket the ground in a patchwork of fiery reds, oranges, and yellows.
NASA's OCO-2 satellite observed carbon dioxide response to one of strongest El Niños on record.