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

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.

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 ...

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

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

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

It's no surprise that SpaceX is breaking in the year. Elon Musk's company launched a whopping 165 orbital missions in 2025 — ...

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

But 3I/ATLAS is no ordinary rock – it’s a comet from beyond the solar system which greeted the Earth on December 19. It’s ...

Researchers noted that two other teams conducted independent searches of 3I/ATLAS at different frequencies. Neither group detected credible artificial radio signals. Scientists say the findings ...