For the first time, international researchers have pinpointed the moment when planets began to form around a star beyond the sun. Using the ALMA telescope, in which the European Southern Observatory ...

Ancient iron meteorites reveal that some of the Solar System’s first solid bodies were built mostly from tiny heat-forged rock beads called chondrules, while water-rich dust was largely excluded. The ...

Meteorites preserve fragments of the earliest solid materials that formed around the young Sun. The Solar System began as a cloud of dust and gas called the solar nebula — the Sun formed at the centre ...