In 2017, NASA discovered and later confirmed the first interstellar object to enter our solar system. It wasn't aliens ... their interesting origin stories. There could be more 'Oumuamua-like ...

Instead, the 300km-wide object may have been ejected from an orbit among the giant planets, during the turbulent early history of the Solar System. The object is so distant, it took scientists ...

In 2017, NASA discovered and later confirmed the first interstellar object to enter our Solar System. It wasn’t ... understand their interesting origin stories. There could be more 'Oumuamua ...