Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.
Scientists have discovered more than 6,000 planets beyond our solar system. What if some of them aren't planets at all, but ...
Need a reminder of what's up in the farthest frontier of 'Star Trek' before 'Starfleet Academy'? Class is now in session.
"...an interstellar traveler will not correspond with its senders because there is no benefit to that": Prof Loeb ...
Named “Cloud-9,” the discovery is a new type of celestial object known as a RELHIC, making it unlike anything scientists have ...