The silence of our solar system has been broken by a celestial intruder, and space agencies are scrambling to understand the ...

New observations of 3I/ATLAS provide real data that scientists are using to evaluate asteroid behavior ahead of Apophis’ 2029 ...

Imagine flying through space at speeds that defy the rules of our solar system, only for scientists to observe behaviour that ...

While online conspiracies swirl, comet 3I/ATLAS made a close pass by Earth on Dec. 19, giving astronomers a rare glimpse of a ...

“Given the mass loss rate measured by the Webb Space Telescope, the gas around 3I/ATLAS would be swept up by the solar wind ...

I/ATLAS comet is the 3rd-ever object discovered that originated from outside our solar system. It's not a threat, approaches ...

I/ATLAS may have moved away from Earth as it makes its way out of the solar system, but this interstellar intruder continues ...

NASA’s Europa Clipper spacecraft has observed interstellar comet 3I/ATLAS, collecting rare data as the ancient object made ...

Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what ...

The controversial Harvard astronomer is one of the main sources of the "alien mothership" hypothesis. This is what he thinks, ...

Comet 3I/ATLAS was discovered on July 1, 2025, by the NASA-funded ATLAS telescope in Rio Hurtado, Chile and was quickly ...

The comet—only the third known interstellar visitor to our solar system—will make its closest approach of the Earth this week ...