An illustration of the hot Jupiter HD 189733 b don't be fooled by its placid marble like appearance . | Credit: NASA/ Robert Lea (Created with Canva) Using the James Webb Space Telescope (JWST), ...

Planetary scientists have long wondered why Mars is only about half the size and one-tenth the mass of Earth. As next-door neighbors in the inner solar system, probably formed about the same time, why ...

Like an ambiguous game of telephone, messages get lost in translation when Mercury squares Jupiter, and no one’s quite sure ...

The first planet ever found orbiting another star was detected in 1995, and it belonged to a class now known as a “hot Jupiter.” These exoplanets are comparable in mass to Jupiter but circle their ...

We know Jupiter is the largest planet in our solar system, but we rarely observed or heard about ‘Hot Jupiter’, that are giant gaseous exoplanets that are much closer to the stars ...

Gravitational microlensing is the only method capable of exploring the entire population of free-floating planets down to Mars-mass objects, because the microlensing signal does not depend on the ...

A newly discovered exoplanet more than 1,200 light-years from Earth has three times the mass of Jupiter and is the new "king" of its solar system. Known as Kepler-88 d, it replaces Kepler-88 c as the ...

CINCINNATI (WKRC) - Astronomers discovered a free-floating rogue planet with a mass 10 times heavier than Jupiter, and it's growing at an unprecedented rate. The rogue planet, named as such because it ...