Astronomers have discovered that asteroid 1998 KY26, the target of Japan’s Hayabusa2 extended mission, is far smaller and faster-spinning than previously thought. Astronomers have conducted a new ...

Liquid water on asteroids reshapes how we understand the early solar system. A group of scientists, including researchers from the University of Tokyo, has found evidence that liquid water once moved ...

A new study on Japan’s iron-rich hot springs reveals how early microbes thrived before the Great Oxygenation Event, offering ...

The size of an asteroid is primarily determined by observing the sunlight it reflects, combined with distance, brightness, ...

Initially thought to be about 30 metres wide and rotating once every 10 minutes, KY26 has now been found to measure just 11 metres across and spins once every five minutes.

Apophis will zoom safely past the Earth closer than the orbits of geosynchronous satellites on April 13, 2029. As well as the ...

The Hayabusa2 mission is facing a new challenge after observations showed the asteroid it is going to rendezvous with and touchdown on in 2031 is much smaller than previously thought; it's also ...

“The idea that Ryugu-like objects held on to ice for so long is remarkable,” he added. “It suggests that the building blocks of Earth were far wetter than we imagined. This forces us to rethink the ...

Recent research by Japanese scientists indicates that upon analyzing samples returned from asteroid Ryugu by the Hayabusa2 mission five years ago, they discovered some unusual phenomena suggesting ...

A new analysis of asteroid Ryugu hints that the "potentially hazardous" space rock once had flowing water in its core, ...

UA student Adriana Mitchell sees her future in space — and is getting the chance now to do work on a mission to an asteroid. “Ultimately I want to be an astronaut, especially doing research on the ...