Even most rocket scientists would rather avoid hard math when they don't have to do it. So when it comes to figuring out ...

A new dataset from Lawrence Livermore National Laboratory maps one million cis-lunar orbits, highlighting orbital stability challenges, space domain awareness needs, and planning requirements for Moon ...

One of the oldest unsolved riddles in planetary science concerns the origin of the moon. Over a century ago, George Darwin ...

Earth will have an extra moon for a couple of weeks this fall, and it may return for a second round in a few decades. A 33-foot asteroid named 2024 PT5 is expected to be pulled into orbit around the ...

Everyone who has ever lived on Earth has been well-aware of the moon, but it turns out Earth also has some frequent temporary companions. These "quasi-moons" are small asteroids that enter into a kind ...

For the next two months, the moon will have a temporary companion in its orbit around the Earth. A small asteroid, called a “mini-moon,” will partially circle the Earth before returning on an ...

An asteroid roughly the size of a small city may slam into the Moon in 2032, and if it does, the blast could hurl clouds of lunar rock into space and toward Earth. Scientists say the odds of a direct ...

Earth is set to have a second “mini moon” for just under two months. The lunar companion will be in Earth’s orbit from Sept. 29 to Nov. 25. A mini moon is an object from space that is temporarily ...

2024 PT5 is a near-Earth asteroid and is 11 meters in diameter (artist's impression shows a generic asteroid close to Earth). After just under two months in orbit, it's time to say goodbye to an ...

2024 PT5 is a near-Earth asteroid and is 11 meters in diameter (artist's impression shows an asteroid approaching Earth). Say hello to 2024 PT5, Earth’s newest mini-moon. Expected to go into orbit of ...

Earth is set to play host to a visiting “mini-moon.” An asteroid is expected to swing by Earth next week, then spend about two months orbiting the planet as it gets temporarily caught by Earth’s ...

A private spacecraft carrying NASA instruments to the surface of the moon in preparation for astronauts to return in the years ahead has reached lunar orbit about a month into its spaceflight.