One million alien visitors from another star system could already be lurking in the solar system. We aren't talking about ...
The stars as seen from Earth would have looked dimmer 14 million years ago, as the solar system was in the middle of passing ...
Astronomers believe they've discovered a spiral structure inside the Oort cloud that surrounds our solar system.
NASA’s Pleiades supercomputer has provided fresh insights into the Oort cloud – ​​a vast, theoretical spherical shell of icy objects that surrounds our solar system. For a long time, the Oort cloud’s ...