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"It is possible that a planet once existed in the solar system but was later ejected, causing the unusual orbits we see today ...
Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's not aliens.) ...
The deep-space optical communication link could revolutionize how scientists communicate with spacecraft as they explore the ...
I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...
Astronomers unveiled a striking view of the new interstellar visitor 3I/ATLAS on its journey toward the inner solar system.
Two meteorites found in the Sahara in 2023 might be from Mercury, a study suggests, but doubts remain due to how little is ...
Despite the powerful telescopes that modern astronomers have to work with, the distant reaches of the Solar System are still ...
A young sunlike star called HOPS 315 seems to host a swirling disk of gas giving rise to minerals that kick-start the planet formation process.