A rare comet from another star system is revealing just how different alien solar systems may be from our own.

The second wave of observations, conducted since December 2025, have allowed scientists to better characterize the chemical ...

The presence of deuterium, an isotope of hydrogen, in 3I/ATLAS suggests the interstellar comet formed in a much colder place ...

A mysterious comet from beyond our solar system is giving astronomers a rare glimpse into alien worlds — and it may have ...

A comet born around another star is carrying water unlike anything ever measured in our solar system. Interstellar comet ...

Measurements of this interstellar comet’s molecular makeup show an excess of heavy water molecules that is dramatically different from anything known to have ever formed around our sun ...

A rare interstellar visitor, comet 3I/ATLAS, is currently traversing our solar system, offering scientists a unique chance to study an object from another star. This comet, unlike those orbiting our ...

What is interstellar comet 3I/ATLAS? The comet was first detected on 1 July by the NASA-funded ATLAS survey telescopes in Chile. Follow-up observations confirmed that it did not originate within the ...

Stardust trapped in Antarctic ice reveals tens of thousands of years of Solar System's past Iron-60 discovery in Antarctic ...

Antarctic ice contains evidence that Earth entered an interstellar dust cloud more than 40,000 years ago 1. As the Solar ...

Rossendorf (HZDR) has confirmed, through the analysis of Antarctic ice tens of thousands of years old, that the Solar System ...