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

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

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

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

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

"Star Trek" is home to countless alien species, many of whom offer beloved characters. Some are not. We rank the 10 most ...

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

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

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

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

The most sensitive radio scan in history found no signs of alien tech on interstellar object 3I/ATLAS. Discover why this ...

Fresh orbital images and new geological analysis have revealed eight mysterious caves on Mars that appear unusually well ...