Meet Tylos: a gas giant 900 light years away and with a climate never seen before on any planet known to scientists.

"It feels like something out of science fiction," said European Southern Observatory astrophysicist Julia Victoria Seidel.

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

Astronomers have peered through the atmosphere of a planet beyond the solar system, mapping its 3D structure for the first ...

Astronomers have discovered a powerful jet stream raging through the atmosphere of an ultra-hot Jupiter exoplanet ravaged by ...

Is it a bird? Is it a plane? No, it's super Neptune! But this Superman-mimicking planet is not blasting through space on its ...

The agency announced on Monday afternoon (Feb. 10) that it has picked SpaceX to launch Pandora, a 716-pound (325-kilogram) ...

For the first time, scientists have developed a 3D map of an atmosphere belonging to a planet outside our solar system.

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

Astronomers have peered through the atmosphere of a planet beyond the Solar System, mapping its 3D structure for the first time. By combining all four telescope units of the European Southern ...

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

A rocky planet less than half the mass of Earth seems to have an atmosphere made almost entirely of sulphur dioxide – this ...