The interstellar comet 3I/ATLAS may have fragmented into 16 pieces after its closest approach to the Sun. Upcoming observations will confirm this hypothesis.

The object, estimated to be the size of a city block, is only the third known interstellar visitor to our solar system since ...

In a startling revelation that has ignited global intrigue around comet anomalies and interstellar visitors, Harvard ...

An interstellar object passing through the Solar System is prompting renewed scientific scrutiny as new radio observations ...

In a new book, NASA astrobiologist Caleb Scharf says the fate of life on Earth may hinge on leaving our planet behind ...

In a striking new view from space, the European Space Agency's Solar Orbiter has given scientists their first close-up ...

The National Aeronautics and Space Administration is, to put it bluntly, kind of a mess. This is not meant to disparage the ...

TESS launched atop a SpaceX Falcon 9 in 2018 to study exoplanets that transit their star from our perspective, meaning they ...

Researchers analyzed nearly half a million nearby star systems to understand how giant planets fare as their stars expand into red giants.

"This information is of great importance to advancing our understanding of interstellar visitors and their interaction with ...

The comet is the third interstellar object from deep space ever recorded to pass through Earth’s solar system.

Is 3I/Atlas an alien spacecraft or just a really interesting rock hurling through the cosmos? That debate has been raging ...