Newfound interstellar object 3I/ATLAS may be carrying pristine material from early in the Milky Way’s star-forming history.

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

The interstellar object has been given the name 3I/ATLAS, and we now know it's a comet. The object, which is also known as C/2025 N1 (ATLAS), is moving almost twice as fast as the previous two ...

Sometimes, "the universe comes to us," writes the European Space Agency — the third time now since 2017. What is it and are ...

The NASA-funded ATLAS (Asteroid Terrestrial-impact Last Alert System) telescope in Rio Hurtado first spotted the object ...

The comet should be visible by telescope through September, before it gets too close to the sun, and reappear in December on ...