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

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

This is only the third known interstellar object to pass through our cosmic neighborhood, following in the footsteps of ...

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

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

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Sedna will reach its closest approach to the Sun in 2076, providing a remarkable space-faring opportunity that won’t come ...

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

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 outer reaches of our solar system, far beyond the orbit of Pluto, lies Sedna, one of the most mysterious objects ever ...

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 ...

A team of researchers has outlined how a new "direct fusion drive" propulsion system could allow us to reach Sedna this ...