Scientists have unearthed an "interstellar tunnel" linking our Solar System to far-off stars, suggesting it could be part of a vast network of cosmic tunnels akin to a gigantic subway system. The ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new simulations show. By Katherine Kornei If our species manages to hang on ...

This artist’s illustration provided by the European Southern Observatory shows the possible orbit of a new exoplanet around two brown dwarfs, or failed stars, 120 light years away. (L. Calçada/ESO via ...

The universe is always moving. While we've found evidence of rogue black holes and planets, new research suggests that a passing star could be out there somewhere. Unfortunately, If it were to swing ...

The puzzling electric charge on clouds of interstellar gas can be explained by the passage of two hot, bright stars close to the Sun. “Close”, in this case, is something of a relative term even by ...