The moon's orbit isn't a perfect circle. Instead, it's more stretched out, kind of like an oval, which means its distance from Earth varies by about 30,000 miles (48,000 km). The surface of the moon ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. An illustration of the 'giant impact' between Earth and the proto-planet Theia. New research ...

Mars, a world now circled by two lumpy rocks, may once have hosted a colossal companion that dominated its sky. New work on the planet’s tides, topography and wobbly interior points to a “lost” ...

The mini-moon 2024 PT5, which has been orbiting Earth for two months and is likely a chunk of the moon, will now drift away from our planet in an orbit around the sun. When you purchase through links ...

Free-floating planets, or as they are more commonly known, rogue planets, wander interstellar space completely alone. Saying there might be a lot of them is a bit of an understatement. Recent ...

The Moon has long been the Earth's close companion, but researchers have struggled to understand exactly when the moon formed, because tiny crystals in the moon rocks brought home by astronauts ...

A chunk of space rock that visited near Earth's orbit last year was widely referred to as a "mini-moon." Turns out the lunar-inspired moniker may have been more accurate than we realized. The ...

UB students huddled in the Hochstetter Hall volcanology lab, passing around a plexiglass disk. Inside was what at first glance appeared to be unremarkable pebbles and dust but was actually some of the ...