A Japanese team has made a discovery about Mercury, finding that its radius has decreased by over 10 kilometers. This new information sheds light on the planet's characteristics.

A spacecraft from the joint Japan-Europe exploration mission BepiColombo is scheduled to arrive at Mercury in November. This mission is a collaborative effort between Japan and Europe.

Further details about the discovery and the BepiColombo mission are available from the source, providing more insight into the findings and the upcoming arrival of the spacecraft at Mercury.