A huge bear had a snoop around a family home before he was chased out by the owner's tiny five-pound dog.

During the opening ceremony of the World Artificial Intelligence Conference (WAIC) on July 26, the China Meteorological Administration (CMA) launched MAZU, a Joint Action for Early Warnings for All, to build an Early Warning Service Network and to share practical experience and technological achievements with global partners.

Data captured by the ALMA telescope in Chile and the James Webb Space Telescope showed planets forming around a star in the first record of its kind.