The universe is the biggest part of the bring, The universe is consist of many GALAXIES, which is also consists of many solar systems.
The scientist did\still doing many researches to determine the shape of the universe. But all they have is theories.
Also the scientist did\still doing many researches to determine WHEN and HOW did the universe created?, But all is theories till now.
How was the universe Created?
Aliens and UFOs
Waves in the universe
Travel through Time
Our universe simply consists of:
Galaxies which contains Stars , Black Holes and Solar Systems