The Upsilon Andromedae system is the first exoplanetary system to have the relative inclination of two planets’ orbital planes directly measured, and therefore offers our first window into the ...

(PhysOrg.com) -- Astronomers are reporting today the discovery of a planetary system way out of tilt, where the orbits of two planets are at a steep angle to each other. This surprising finding will ...

A huge alien planet has a strange hot spot on its side, and astronomers aren't sure what to make of it. Subscribe to read this story ad-free Get unlimited access to ad-free articles and exclusive ...

Observations from NASA’s Spitzer Space Telescope reveal a distant planet with a warm spot in the wrong place. The gas-giant planet, named upsilon Andromedae b, orbits tightly around its star, with one ...

A huge alien planet has a strange hot spot on its side, and astronomers aren't sure what to make of it. Limited time: Save 25% on NBC News subscription Get exclusive reporting, live Q&As and ad-free ...

Observations from NASA's Spitzer Space Telescope reveal a distant planet with a warm spot in the wrong place. The gas-giant planet, named upsilon Andromedae b, orbits tightly around its star, with one ...

Astronomers are reporting today the discovery of a planetary system way out of tilt where the orbits of two planets are at a steep angle to each other. This finding will impact theories of how ...

A huge alien planet has a strange hot spot on its side, and astronomers aren't sure what to make of it. The planet, named Upsilon Andromedae b, is a so-called "hot Jupiter" a scorching gas giant. It ...