The European Space Agency (ESA) will launch its bold "Comet Interceptor" Mission after 3I/ATLAS became the third interstellar ...

Astronomers have discovered a rare instance of a interstellar comet speeding through the solar system. The 3I/ATLAS was first ...

Astronomers have discovered a new interstellar comet passing through our solar system, marking the third interstellar object ...

NASA telescopes in Chile have discovered a comet from interstellar space, making its closest approach in October.

A cosmic body from another star system has entered Earth and is the largest one ever seen. In the previous decade, two other ...

It appears our solar system is getting more popular with out-of-towners. Astronomers may have found a third interstellar ...

Our solar system is a pretty wild place, full of amazing stuff. From the giant Sun to the tiny rocks floating around, there’s ...

Sedna will make its closest approach to the Sun in 2076, giving us a rare opportunity to visit the planetoid before it drifts ...

In the frozen outskirts of the solar system, a reddish dwarf planet orbits in silence. Known as Sedna, it is so distant that ...

Vomit Comet “These measurements give us a look at how this enormous, icy world works,” said lead author Nathan Roth of American University and NASA Goddard Space Flight Center. “We’re seeing explosive ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

The icy giant is more than 10 times the size of any known comet, according to the National Radio Astronomy Observatory.