The universe is full of unknown celestial objects, and scientists have only begun to scratch the surface of understanding ...

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 ...

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

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

NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space ...

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

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

Sometimes "the universe comes to us," writes the European Space Agency. For the third time since 2017, an interstellar object ...

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 ...

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