Planet Nine

Planet Nine orbit

Curious tilt of the sun traced to undiscovered Planet Nine

Planet Nine—the undiscovered planet at the edge of the solar system that was predicted by the work of Caltech's Konstantin Batygin and Mike Brown...
An artist’s conception of Planet X or Planet 9.

Hunt for ninth planet reveals new extremely distant solar system objects

In the race to discover a proposed ninth planet in our Solar System, Carnegie’s Scott Sheppard and Chadwick Trujillo of Northern Arizona University have...
Theft behind Planet 9 in our solar system

How the new Planet 9 was stolen by our sun

Through a computer-simulated study, astronomers at Lund University in Sweden show that it is highly likely that the so-called Planet 9 is an exoplanet. This...
solar system

Planet Nine could spell doom for solar system

The solar system could be thrown into disaster when the sun dies if the mysterious ‘Planet Nine’ exists, according to research from the University...
Planet Nine

Evidence of a real ninth planet discovered by Caltech researchers

Caltech researchers have found evidence of a giant planet tracing a bizarre, highly elongated orbit in the outer solar system. The object, which the researchers...
The aliens are silent because they're dead

The aliens are silent because they’re dead

Life on other planets would likely be brief and become extinct very quickly, say researchers from The Australian National University (ANU). In research aiming to...