Astronomers are tracking a newly spotted comet hailing from parts unknown, only the third time such an interstellar object ...

Based on the comet's brightness and current distance — it's located just inside Jupiter's orbit — scientists estimate its ...

NASA said the comet will make its closest approach to the sun in late October, scooting between the orbits of Mars and Earth ...

The first interstellar object spotted in our Solar System was the cigar-shaped ‘Oumuamua, discovered in 2017 by the ...

Though 3I/ATLAS will never come close to Earth, its passage offers a rare chance to study material beyond our solar system ...

In the predawn hours of July 1, 2025, a faint streak of light caught the attention of astronomers peering through data from a ...

The comet should remain viewable through telescopes until September as it approaches the Sun, then emerge again in December on its outbound leg.

These things take millions of years to go from one stellar neighborhood to another, so this thing has likely been traveling ...