A Harvard scientist has suggested that our Solar System may be far more crowded with interstellar objects than anyone realized.

For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the ...

The interstellar visitor, only the third such object to be discovered passing through our solar system, ignited controversial ...

INSIDE THIS REPORT The discovery did not arrive with spectacle. It arrived in spectral lines—quiet, technical, and unmistakable. NASA’s SPHEREx telescope has now detected organic molecules streaming ...

A mysterious visitor from the depths of interstellar space has just challenged our understanding of the cosmos. It's not ...

Interstellar comets are the original cosmic explorers, and by studying their metallic whispers, we are learning the secrets ...

Comets usually fade quietly once they swing past the Sun. Interstellar comet 3I/ATLAS did not follow the same path. Instead, ...

As it races back into deep space, interstellar comet 3I/ATLAS has staged an unexpected finale, suddenly brightening and shedding material in a spectacular flare. The outburst, caught by a suite of ...

Comet 3I/ATLAS was full-on erupting into space in December 2025, after its close flyby of the sun, causing it to ...

NASA's shock discovery as interstellar comet 3I/ATLAS blasts out pristine ices at 153,000mph, reigniting alien theories and ...

Is 3I/ATLAS just a comet — or an intergalactic ark? A NASA spacecraft has discovered organic chemicals on 3I/ATLAS, which ...

The launch of NASA and SpaceX's Crew-12 mission to the International Space Station has been delayed to no earlier than Friday ...