The European Southern Observatory has captured the clearest images yet of the interstellar visitor 3I/ATLAS as it moves ...

The comet was identified as interstellar due to its highly eccentric hyperbolic orbit, which is unlike the elliptical orbits ...

The third object known to have entered the Solar System from interstellar space has an origin unlike either of its ...

How do we know 3I/ATLAS, also called comet C/2025 N1 (ATLAS), is interstellar? Will it strike Earth? Can we visit it? Here ...

You can watch comet 3I/ATLAS live online tonight (July 3), thanks to the Virtual Telescope Project, which will livestream ...

The NASA-funded ATLAS (Asteroid Terrestrial-impact Last Alert System) survey telescope in Rio Hurtado, Chile, first reported observations to the Minor Planet Center of comet 3I/ATLAS on July 1, 2025.

Late in the evening on July 1, a telescope in Chile that is part of the global, NASA-funded Asteroid Terrestrial-Impact Last ...

NASA has discovered an interstellar comet that's wandered into our backyard. Luckily, it won't get near enough to be a threat ...

An object from another star has been seen entering the solar system at high speed, and is expected to whip around the sun in ...

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

Astronomers discovered 3I/ATLAS, a 10–20 km-wide interstellar comet racing into the solar system. It will reach perihelion in ...

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