So in some sense, alien worlds were not first discovered in the 1990s or even the 1980s. It took nearly a century to fully ...

All planets are made of gas, ice, rock and metal, and models of how planets form usually assume that these materials don't ...

NAS's James Webb Space Telescope has captured Neptune’s glowing auroras in the best detail yet. Hints of auroras were first ...

Prior to 2040, the last planetary quintuplet occurred in the year 1186, and according to Uptain, records show that the close ...

FORT MYERS, Fla. — Derek Falvey sat in a conference room at Target Field last September, on the final day of the regular ...

A new classification scheme may help us better understand planet formation — including the history of our own family of worlds.

Learn what planet rains molten iron and which planet has two moons like Tatooine in Star Wars.

CLEARWATER, Fla. — For more than half his life, the Minnesota Twins organization was all Max Kepler knew. The Twins took a ...

"There really is something very different about how these giant planets form versus how small planets like Earth form." ...

Four small, newly discovered worlds are less than six light-years away from Earth, and their discovery reinforces a ...

Scientists have discovered four planets orbiting Barnard's Star, the closest solitary star to Earth, located approximately ...

Far beyond the eight familiar planets in our solar system, countless bizarre and extreme worlds await discovery — and some ...