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

NASA's New Horizons spacecraft has successfully conducted the first-ever deep space stellar navigation test, while traversing the Kuiper Belt.

Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the ...

NASA's Mars Pathfinder mission arrived on Mars and began transmitting images from the surface of the Red Planet. The rover, ...

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

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

Comet 3I/ATLAS will get as close as 210 million kilometers (130 million miles) from the Sun, far beyond the orbit of Earth, ...

This month, Asteroid Terrestrial-impact Last Alert System in Río Hurtado, Chile detected a third interstellar visitor. At ...

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

An interstellar object called 3I/ATLAS is now moving through our solar system, the third one we've seen in the last eight ...

For only the third time in history, astronomers have identified what they think is an interstellar object — and it could be ...