It's the earliest stage of planet formation ever seen by scientists. The new planetary system is taking shape around HOPS-315, a baby star which is located 1,300 light years from Earth in the Orion Nebula. Experts say that the discovery could help better understand the beginnings of our own Solar System.

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 (ESO) is a partner,