Comet 3I/ATLAS, an object from another star that was found speeding through our solar system last summer, is now fading from ...

From far enough away, our entire solar system disappears into a single point of light. The Sun becomes just another average ...

Scientists are using advanced telescopes, models and AI to help them look for signs of life beyond Earth, including in ...

"Most planetary systems appear as 'peas in a pod.' This is not the case in the TOI-201 system." ...

Scientists have discovered unexpected water-ice clouds on a distant, Jupiter-like exoplanet, challenging current atmospheric ...

Data from the James Webb Space Telescope on exoplanet K2-18b has revealed the "strongest hints yet of biological activity ...

The flight of 3I/ATLAS through the solar system last year was a stroke of luck for research. The water in the object was also ...

What is behind the surge in ufology? The recent spike can be traced to the top of the US government, which inspired me to start investigating ...

Less than a year ago, astronomers discovered a comet soaring through our sky that was not from our solar system. Although we ...

Scientists studying 3I/ATLAS have detected unusually high levels of heavy water, indicating it formed in an extremely cold ...

Searching for alien life by looking for specific signals from individual planets may overlook a larger pattern, new research ...

A mysterious interstellar comet older than the Sun is exposing alien chemistry and rewriting astronomy as we know it.