Interstellar object 3I/ATLAS nears Earth with a bizarre 'anti-tail' and 14 anomalies. Is it a comet or alien tech?

Interstellar comet 3I/ATLAS makes its final pass by Earth this week. Its speed of 137,000 mph and unique chemical makeup have put planetary experts on high alert.

After less than a year in orbit, the Southwest Research Institute-built PUNCH spacecraft have made major accomplishments, ...

Astronomers say 3I/ATLAS is so unusual that it is forcing a rethink of probability distributions used to model interstellar ...

After less than a year in orbit, the Southwest Research Institute-built PUNCH spacecraft have made major accomplishments, ...

Incredible but true! A Harvard astrophysicist puts forward a startling hypothesis: comet 3I/ATLAS could be an alien ...

Comet 3I/Atlas is not just any comet; it is the third known interstellar object to traverse our solar system. Unlike comets such as Halley's, which originate from the icy fringes of our solar system, ...

"PUNCH imaging gives us a unique view on the pageantry of the planets and reveals the grandeur of our Sun in the cosmos," said DeForest, PUNCH mission principal investigator. "Seeing solar activity ...

Physicists discovered that the famous 'Star Trek' spaceship got a lot right about designing a ship to jump from galaxy to ...

Interstellar Comet 3I/ATLAS makes its closest, safe approach to Earth on Dec. 19. Learn how this rare visitor reveals secrets ...

The world's most expensive infrared spectrometer - the James Webb Space Telescope - is unearthing extraordinary exoplanet ...

The interstellar comet 3I/ATLAS has just done something no visitor from another star system has ever been caught doing: it ...