Planet Nine

NASA-funded citizen science project discovers new brown dwarf

NASA-funded citizen science project discovers new brown dwarf

One night three months ago, Rosa Castro finished her dinner, opened her laptop, and uncovered a novel object that was neither planet nor star. Therapist...
Evidence mounts for the existence of planet nine

Evidence mounts for the existence of planet nine

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...
Astronomers discover alien world hotter than most stars

Astronomers discover alien world hotter than most stars

Imagine a planet like Jupiter zipping around its host star every day and a half, superheated to temperatures hotter than most stars and sporting...
Astronomers looking for citizen scientists to help find Planet 9

Astronomers looking for citizen scientists to help find Planet 9

Elusive planets and dim failed stars may be lurking around the edges of our solar system, and astronomers from NASA and UC Berkeley want...
extraterrestrial observers

What if extraterrestrial observers called, but nobody heard?

As scientists step up their search for other life in the universe, two astrophysicists are proposing a way to make sure we don't miss...
New Evidence on the Formation of the Solar System

New evidence on the formation of the solar system

International research involving a Monash University scientist is using new computer models and evidence from meteorites to show that a low-mass supernova triggered the...
Simulated structure of planet 9

How big and how bright is Planet 9 if it really exists?

How big and how bright is Planet 9 if it really exists? What is its temperature and which telescope could find it? These were the...
Planet Nine: A world that shouldn't exist

Planet Nine: A world that shouldn’t exist

Earlier this year scientists presented evidence for Planet Nine, a Neptune-mass planet in an elliptical orbit 10 times farther from our Sun than Pluto. Since...
planet nine

More evidence for Planet Nine on solar system’s fringes

As the search for a hypothetical, unseen planet far beyond Neptune's orbit continues, research by a University of Arizona team provides additional support for...
Planet Nine

Nine things to know about Planet Nine

In January, Konstantin Batygin, assistant professor of plantary science, and Mike Brown, the Richard and Barbara Rosenberg Professor of Planetary Astronomy, announced that they...