As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...

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

Interstellar comet 3I/ATLAS reveals ancient secrets and strange chemistry as the largest object of its kind ever tracked.

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

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

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

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

Rogue planets — worlds that drift through space alone without a star — largely remain a mystery to scientists. Now, ...

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

I/ATLAS was first discovered on July 1, 2025, it has garnered much attention, including speculation, hopes and fears that it ...

Many experts believe that aliens exist in the universe, with the key elements needed to sustain life found on comets, ...

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