Sadly, at just about 10 meters, the mini-moon will be extremely hard to see from Earth, but its presence will be there ...

Find out when to watch the partial lunar eclipse of the Harvest Moon Supermoon, including exact times and photography tips ...

By staring into the hellish landscape of Jupiter's moon Io—the most volcanically active location in the solar system—Cornell ...

It won't be there forever, but Earth will have a second moon when a small asteroid begins to orbit the planet later this ...

The asteroid was discovered in August and is set to become a mini-moon, spinning around Earth in a horseshoe shape for about ...

Though the mini-moon will only be in Earth’s orbit for about two months, it’ll stay close to the planet for a few months, ...

Detectors inside Artemis I’s Orion capsule show how much radiation exposure its mannequins underwent and how effective a ...

An asteroid, pulled into Earth’s orbit, is sometimes known as a ‘mini-moon.’ You’ll need a telescope to view it.

Here’s what to know about our new, temporary celestial neighbor. Earth has a large gravitational pull. So it’s not uncommon ...

Asteroid will come close enough to Earth to temporarily enter its orbit at the end of the month, a phenomenon dubbed as "mini ...

The September Harvest Moon, a partial lunar eclipse, will make its debut in the sky Monday evening and last through Thursday ...

See 10 of the week’s most interesting images from around the world, as selected by Washington Post photo editors.