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Planet Nine

A Goblin could guide us to a mystery planet thought to exist in the...

Out in the depths of the Solar system, astronomers recently discovered a small, icy object, named 2015 TG387. First observed in October 2015, it has...
It might not be Planet 9 causing disruptions in the Kuiper Belt

It might not be Planet 9 causing disruptions in the Kuiper Belt

 Just the collective gravity of everything out there In January of 2016, astronomers Mike Brown and Konstantin Batygin published the first evidence that there might...
Collective gravity, not Planet Nine, may explain the orbits of 'detached objects'

Collective gravity, not Planet Nine, may explain the orbits of ‘detached objects’

Bumper car-like interactions at the edges of our solar system—and not a mysterious ninth planet—may explain the dynamics of strange bodies called “detached objects,”...
A tenth planet in our solar system

A tenth planet in our solar system?

The plane of the solar system is warped in the outer reaches of the Kuiper Belt, signaling the presence of an unknown Mars-to-Earth-mass planetary...
The Super-Earth that Came Home for Dinner

The super-earth that came home for dinner

It might be lingering bashfully on the icy outer edges of our solar system, hiding in the dark, but subtly pulling strings behind the...
Newly discovered TRAPPIST-1 is older than our Solar System

Newly discovered TRAPPIST-1 is older than our Solar System

If we want to know more about whether life could survive on a planet outside our solar system, it’s important to know the age...
Astronomers discover a star that would not die

Astronomers discover a star that would not die

Supernova discovery challenges known theories of the death of stars Supernovae, the explosions of stars, have been observed by the thousands. And in all cases,...
New evidence in support of the existence of Planet Nine

New evidence in support of the existence of Planet Nine

Last year, the existence of an unknown planet in our Solar system was announced. However, this hypothesis was subsequently called into question as biases in...
Backyard Worlds: Planet 9 lets public search for new nearby worlds

Planet 9 lets public search for new nearby worlds

NASA is inviting the public to help search for possible undiscovered worlds in the outer reaches of our solar system and in neighboring interstellar...
More evidence presented in defense of Planet 9

More evidence presented in defense of Planet 9

In January of 2016, astronomers Mike Brown and Konstantin Batygin published the first evidence that there might be another planet in our Solar System. Known...