Wildfires are burning in Los Angeles for a fourth day, with at least 10 people killed in the blazes. The latest fire is being ...

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

The aurora borealis, or northern lights, is known for a stunning spectacle of light in the night sky, but this near-Earth manifestation, which is caused by explosive activity on the sun and carried by ...

The European and Japanese robotic explorer swooped as close as 183 miles (295 kilometers) above Mercury’s night side before ...

NASA's LEXI instrument is set to land on the moon's surface sometime this month. Using X-ray sensors, the device will watch ...

Say hello to Mercury, that pesky rock that always seems to be in retrograde ruining your life. A spacecraft operated by the ...

New images of the Mercury taken by a robotic spacecraft have just been released — and they show the scorched planet in ...