These images mark an early milestone in the mission, confirming that OSIRIS-APEX is healthy and on course for its 2029 ...

The Moon is getting 1½ inches (3.8 centimeters) farther away from the Earth every year. Scientists measure the distance to ...

NASA’s OSIRIS-APEX spacecraft has captured breathtaking images of Earth as it passed by the planet on September 23, 2025, using a gravity-assist maneuver to speed its journey toward Apophis, a ...

"The most convincing scenario is that most of the building blocks of Earth and Theia originated in the inner solar system.

NASA’s OSIRIS-APEX spacecraft captured Earth and moon images during a gravity-assist flyby, confirming instrument functionality and maintaining course for its 2029 encounter with asteroid Apophis.

A collision between Earth and a massive Mars-sized protoplanet likely caused the formation of our moon. Now scientists from ...

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 ...

The last supermoon of the year will shine soon in December skies.

December's full moon, known as the Cold Moon, illuminates the longest nights of the year. Despite its name, the moon doesn't ...

As an astronomer studying the universe beyond Earth, I’m fond of “outside the box” views almost by default. But one of my favorites is whenever a spacecraft takes a snapshot of our home world and the ...

The Geminids peak annually in mid-December and are always one of the most brilliant meteor showers of the year. December’s ...

It’s a general rule in science that the more you know about some aspect of the natural world, the better you understand it. But rules are sometimes broken, and the question of how Earth got its Moon ...