solar system

Where’s Waldo (AKA Planet Nine)?

The hunt is on to find “Planet Nine” — a large undiscovered world, perhaps 10 times as massive as Earth and four times its size — that scientists think could be lurking in the outer…


Our lost giant (planet)

A cluster of icy bodies in the same region as Pluto could be proof that our early solar system was home to a fifth giant planet, according to new research. That planet may have “bumped”…



Infant solar system

An international team led by Thayne Currie of the Subaru Telescope and using the Gemini South telescope, has discovered a young planetary system that shares remarkable similarities to our own early solar system. Their images…


Superb Space Orbits

Over the years humans have deployed spacecraft into some wild, wacky and extremely clever orbital configurations to better study the cosmos. From a really long way away, the gravitational field of our solar system –…


H20^2

As NASA missions explore our solar system and search for new worlds, they are finding water in surprising places. Water is but one piece of our search for habitable planets and life beyond Earth, yet…


How do you move an entire solar system?

In about a billion years our aging sun will become hot enough to boil off Earth’s oceans. But we needn’t let our world bake to death. By devising a megastructure called a Shkadov Thruster, we…