What can rocky planets orbiting in the outer parts of a solar system teach scientists about planetary formation and evolution? This is what a recent study | Space ...

The fourth planet in the system is a rocky world, while the second and third ones are gas planets.

Gas giants possibly developed slowly in the solar system. They developed cores layer by layer within a disk of ice and dust ...

We know that our Solar System is not the blueprint for all planetary systems out there. There are gas giant planets orbiting ...

With this new survey, astronomers have gained a peek inside a stage of exoplanet system formation they have yet to fully ...

Astronomers have discovered a planetary system that appears to flip one of astronomy's most reliable rules on its head.

Add Yahoo as a preferred source to see more of our stories on Google. An illustration showing Planet Nine, a hypothetical, undiscovered planet in our solar system. New research now suggests the ...

Gas giants are large planets mostly composed of helium and/or hydrogen. Although these planets have dense cores, they don't ...

The search for life beyond Earth is a holy grail quest for many experts, but finding where to look is a core issue. When you purchase through links on our site, we may earn an affiliate commission.

LONDON — The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper's authors have ...