If Asteroid 2024 YR4 crashes into the Moon in 2032, it would be the largest impact in about 5,000 years, according to a new analysis. Researchers say the Moon debris would threaten spacecraft in ...

A large asteroid once considered the greatest known risk to Earth may now be on track for a direct hit — not on our planet, ...

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

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

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

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

Asteroids don’t always need to head straight for Earth to draw global attention. The case of asteroid 2024 YR4 is proving ...

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.

So when the Earth blocks the sun, a lunar eclipse occurs. During a total lunar eclipse, some sunlight passes through the Earth's atmosphere and then hits the moon's surface.

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.