The larger moons of Pluto and Earth likely formed through a collisional process with Charon and our moon, respectively, ...

Today, all of the hafnium is gone because it has a short half-life compared to the ... impact because changing the size, speed and angles of approach of impactors in moon formation simulations changes ...

Scientists think a small rock discovered near Earth last August was hurled into space by an ancient impact on the lunar surface.

Earth's temporary asteroid friend last year was a chunk of its real moon that had been blasted into space thousands of years ...

(For comparison: The moon orbits Earth at an average distance of about 238,900 miles, or 384,500 km). However, if you're in the Northern Hemisphere, the viewing conditions won't be great ...

STEP 2 - Compare the football and modelling clay ball in size. The football represents ... it reflects light from the Sun. Like the Earth, half of the Moon faces towards the Sun, and half faces ...

The images were captured using NASA’s Earth Polychromatic Imaging Camera (EPIC), a 4MP CCD camera and telescope on the DSCOVR ...

Some nights when we look up at the moon, it is full and bright; sometimes it is just a sliver of silvery light. These changes in appearance are the phases of the moon. As the moon orbits Earth ...

So I grabbed my camera, ran outside, and looked up just as Mars was supposed to emerge from the Moon's curved horizon. Seen ...

An asteroid the size ... moon today. The asteroid, named 2025 AB, is one of the first handful of asteroids discovered in the new year, and measures between 32.8 and 72.2 feet in diameter. In ...

Starting in late September, Earth is going to have a second moon for two brief months ... Mini-moons are often hard to identify because of their size and speediness. "Every time an object with ...