When two giant planets collide, an even bigger world may be born. Based on new simulations, scientists believe that giant gas planets across the universe can often collide and merge into even ...

The astronomical linkup is fairly common and can happen at least every year depending on the number of planets. A similar parade took place last June, but only two planets could be seen without ...

An artist’s impression of the two new planets discovered. An inner super-Earth, here seen transiting in front of the orange host-star and an icy giant planet on the periphery of the system.

It is part of a two-planet system — one of the few known ... form when particles in the protoplanetary disk collide and stick together, eventually forming larger bodies through accretion.

Based on new simulations, scientists believe that giant gas planets across the universe can often collide and merge into ... powerful enough to fuse two gas giants together.