Death Valley National Park offers some of the best stargazing in America, with DarkSky International having designated it as a Gold Tier Dark Sky Park.

Chile's Atacama Desert is home to some of the best Earth-based observatories, though an energy company is throwing a wrench ...

Over 40 stars in a galaxy billions of light-years away were photographed, offering a glimpse into an era when the universe ...

California wildfires continue with dry conditions and powerful winds —which are due to last through Friday — fueling at least five fires.

On Sunday (Jan. 12), the Red Planet will make its close approach of Earth at 8:32 a.m. EST (13:32 GMT). This event, known as ...

This NASA/ESA Hubble Space Telescope image reveals a tiny patch of sky in the constellation Hydra. The stars and galaxies ...

The lights appear within what is known as an aurora oval, a belt that roughly rings the Earth’s geomagnetic poles, said ...

Enigmatic planet Mercury posed for some closeups when the BepiColombo mission flew by. Craters, bright regions and volcanic ...

The Red Planet comes closest to Earth, disappears behind the Moon in an occultation, and finally reaches opposition in the ...

February 1: The thin, four-day-old crescent moon will be just a few degrees from Venus, making a lovely pair. Look for them in the sky in the southwest after sunset. When you observe the moon, see if ...

There may not be a better way to embrace winter in Wisconsin than to attend the Lake Superior Ice Festival, where a bunch of ...