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 ...

Scientists have announced the first detection of a radio signal from the mysterious interstellar visitor as it speeds through ...

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

The James Webb Space Telescope was built with a flaw, and because it's a million miles away, we can't repair it, but we can ...

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.

Physicist Brian Cox dismisses alien claims about comet 3I/Atlas, calling it a natural interstellar relic and “a message from a dead world.” ...