This week, a series of new astronomical observations have deepened the mystery surrounding the unusual interstellar object 3I ...

The comet is one of only three of its kind recorded in history. But others think there could be more to this celestial object ...

NASA has warned of a new cosmic phenomenon that could affect Earth. It is neither the comet 3I/ATLAS, nor the already famous ...

The interstellar comet 3I/ATLAS may be out of view of Earth, but orbiters on Mars were able to recently get a look at it.

We're just weeks away from this interstellar visitor reaching its brightest in Earth's night skies. Will we see it?

Researchers have discovered that interstellar comet 3I/ATLAS has been shedding water, providing insights into the building ...

What makes 3I/ATLAS especially intriguing is that the comet might be three billion years older than our entire Solar System.

Need a refresher about 3I/ATLAS? Here's everything to know about the interstellar object, including when the latest ...

Analyses of its emissions using NASA’s Neil Gehrels Swift Observatory indicate that the interstellar comet probably has a very different structure than comets in the solar system.

3I/ATLAS first made news in July when scientists confirmed it as the third-ever observed interstellar interloper in our solar system. The space object further attracted the public's fascination again ...