Within our solar system, an extra giant planet, or possibly two, might once have accompanied Jupiter, Saturn, Neptune and Uranus. Computer models showing how our solar system formed suggested the ...

Related: 25 Weirdest Facts About the Solar System These researchers estimate that a phenomenon known as "giant planet migration" happened much earlier than previously thought. This "migration" is ...

A solar chimney prototype in Manzanares ... But aeronaut Per Lindstrand thinks he has the solution — making the chimneys inflatable. Lindstrand — who is best known for his record-breaking ...

By Kenneth Chang On Thursday morning, NASA sent a giant ... Once the inflatable heat shield has shepherded Outpost’s spacecraft through the heat of re-entry, a second inflatable system ...

Scientists with the University of Chicago have laid out a comprehensive theory for how our solar system could have formed in the wind-blown bubbles around a giant, long-dead star. Published Dec. 22 in ...