A rare discovery beyond Neptune is forcing scientists to rethink early solar system dynamics and the forces that shaped ...

3I/ATLAS is the third interstellar visitor ever to visit the solar system having been formed around a distant star. Tune in ...

Scientists say studying objects like Ammonite, despite their immense distance, offers valuable insight into the solar ...

Astronomers are tracking a rare interstellar object traveling at record speeds and passing unusually close to multiple ...

NASA’s newly launched IMAP mission is set to tell us more about the boundary between our Solar System and interstellar space ...

The solar system is hurtling through space at incredible speeds toward a mysterious object called the Great Attractor.

Comet 3I/ATLAS, only the third interstellar object ever observed, is making its final pass through our skies, offering a rare ...

"In our solar system, the most massive moon is Ganymede, which is still extremely small compared to what we are inferring here." ...

Harvard's Avi Loeb reveals 3I/ATLAS has symmetric mini-jets at 120-degree intervals. Could these be propulsion thrusters on ...

In astronomy, an occultation is when a celestial body or object — like the moon or a planet — passes in front of a distant ...

New polarimetry data on interstellar comet 3I/ATLAS reveals bizarre refractory dust, proving this alien visitor formed in a ...

Starting Jan. 21, Canadians can see a rare celestial event as six planets line up in the evening sky, mostly visible to the ...