Of the nearly 6,000 confirmed exoplanets in the Milky Way, Tylos has one of the most-studied atmospheres out there. It's what we call a hot Jupiter – a world comparable in size to our own gas giants, ...

More pocked with craters than any other object in our solar system, Jupiter's outermost and second-biggest Galilean moon, Callisto, appears geologically unremarkable. In the 1990s, however, NASA's ...

Last year, astronomers discovered an unusual Earth-size exoplanet they believe has a hemisphere of molten lava, with its ...

A newly discovered star system in the heart of the Milky Way is moving at unprecedented speeds. Scientists believe this ...

"Even the strongest hurricanes in the solar system seem calm in comparison." ...

The gas giant WASP 121b, also known as Tylos, has an atmospheric structure unlike any we have ever seen, and the fastest ...

Researchers have peered into the atmosphere of planet WASP-121b and found its climate is stranger than anyone imagined.

NASA scientists have detected a star and trailing exoplanet that may be sailing through the Milky Way with unprecedented ...

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar system was the only planetary system known to humans. We had no proof other ...

The Great Conjunction of Jupiter & Saturn – an event that happens once in centuries! But what actually occurs when these two ...