An international team of researchers pointed the largest single-dish radio telescope in the world at 3I/ATLAS.

With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

Until now, scientists believed that Mars’ skylights – pits in the surface of mars – were formed by volcanic activity. But ...

Hubble's latest images of interstellar comet 3I/ATLAS reveal sustained, jet-like eruptions and a carbon dioxide-rich coma ...

Harvard's Avi Loeb argues 3I/ATLAS shows signs of alien technology, from its 0.2% probability flight path to bizarre metal ...

A new study referencing a past NASA Cassini observation found the presence of 'slushy tunnels' in Saturn's largest moon Titan ...

The third known visitor from another star system, Comet 3I/ATLAS, has been racing through the Solar System with just enough ...

Massive observatories and orbiting telescopes like the Hubble typically dominate the conversation when it comes to deep space ...

Harvard scientist Avi Loeb presents chilling theories that interstellar object 3I/ATLAS is alien technology, citing anomalies ...

Mars. From forming black holes to phantom dark energy, discover the cosmic mysteries astronomers uncovered last year.

Three symmetrical jets jutting out of interstellar object 3I/ATLAS are showing up in Hubble observations, puzzling astronomer ...

Europa has a vast, saltwater ocean beneath its icy shell, with more than twice the amount of water in all of Earth’s oceans ...