The quest to understand the chemical makeup of distant celestial bodies is gaining momentum thanks to the advanced ...

New experiments with Apollo moon dust show micrometeorites - not solar wind - are the main source of the Moon’s thin ...

The Solar Dynamics Observatory saw a lunar transit and an Earth eclipse on July 25 — the first when the moon passed between it and the sun, and another when Earth did the same.

The moon's thin atmosphere, called an exosphere, has been a puzzle to science for some time. Two main processes were thought ...

The Perseids, the year's most popular meteor shower, will soon peak, but August's full moon could impact viewing. Here's what ...

Saturn’s moon Titan has always stood out among the celestial bodies in our solar system. It is the only moon with a thick, hazy atmosphere, and it's often compared to a primitive Earth.

The full moon blushes coppery red as stray bits of sunlight filter through Earth's atmosphere. During a partial lunar eclipse, Earth's shadow appears to take a bite of the moon.

According to NASA, the Moon turns red during an eclipse because of how the Sun's light interacts with Earth's atmosphere. As the Sun hits the atmosphere, shorter wavelengths of light such as the ...

Fireballs fall on the Earth every day—but the one that just streaked across the southeastern U.S. this week was unlike the ...

During a partial lunar eclipse, Earth’s shadow appears to take a bite of the moon. The full moon is covered during a total eclipse and blushes coppery red because of stray bits of sunlight ...