Space scientists say they are preparing a comet interceptor spaceship as the third interstellar object ever detected was ...

Astronomers are meticulously tracking the new interstellar visitor that is crossing our solar system. Officially designated ...

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

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

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

The newly discovered interstellar visitor is just the third of its kind and fascinates astronomers who hope to learn from it ...

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

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

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

Officially named 3I/ATLAS, the comet was confirmed as having originated outside of Earth's solar system on July 3, according ...

Beyond the fact that this is the third known interstellar object to have entered our solar system, “we don’t know very much,” ...

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