Astronomers Have Found 6,000 Exoplanets—but This Could Be the First Known Exomoon

After decades of searching, astronomers may have finally stumbled upon the first moon known to exist beyond our solar ...

3I/ATLAS: NASA Calls It a Comet, Harvard Scientist Avi Loeb Suggests Alien Technology ...

NASA calls 3I/ATLAS a comet, but Avi Loeb cites anomalies—retrograde orbit, size, jets, even a 'heartbeat'—arguing it may be ...