The leading explanation for all of these mysteries is known as the giant impact hypothesis. According to this story, when the ...

Out past Neptune are countless small icy and rocky bodies called Trans-Neptunian Objects (TNOs), and many of these have moons ...

Saturn now leads the solar system with 274 known moons. Scientists say many moons formed from past collisions.

The tri-state area is being treated to a full lunar eclipse early tomorrow. If you manage to be awake between 2:26 a.m. and 3 ...

Coming up this thursday night the total lunar eclipse, otherwise known as a blood moon will be visible for just about everyone across north america.Meteorologis ...

The Hera probe has swung around Mars, using the planet’s gravitational pull to fling itself toward its asteroid target.

"The simplest definition [of a moon] would be an object that is in ... there are currently thousands of human-made satellites in orbit around Earth that satisfy the definition above but are ...

The US astronauts stranded on the International Space Station are home at last — more than nine months after their days-long ...

The first total lunar eclipse in more than two years lit up the sky last night as humanity, forever fascinated with the Earth ...

But because the moon's orbit is slightly tilted relative to Earth's orbit around the sun, it doesn't block out the sun on every orbit, hence why not every new moon results in a solar eclipse ...

On the way to investigate the scene of a historic asteroid collision, a European spacecraft swung by Mars and captured rare ...

The lumpy, 12.5-kilometer-wide moon is the smaller ... wide asteroid's orbit around its big brother Didymos by 33 minutes. Although Dimorphos itself posed no threat to Earth, HERA intends to ...