China has invested massively in its space capabilities in recent years and is now a major competitor with the US. But according to a space policy expert, the US still dominates space by most measures.
The discovery of a key component of RNA in samples from asteroid Ryugu adds weight to the theory that basic organic molecules may have arrived on Earth from outer space.
Rubble pile asteroids are like giant space cushions, floating around the Solar System for billions of years. Here’s what that means for planetary defence.
The Hayabusa2 mission brought a piece of asteroid Ryugu back to Earth, where it has helped scientists resolve a long-standing puzzle.
What did Mercury look like as BepiColombo swung by?
It is a pretty spectacular achievement to not only rendezvous with an asteroid as it is whizzing around the Sun but also collect a sample. Here’s what the researchers learned.
JAXA has announced a mission to visit the two moons of Mars and return a rock sample to Earth.