"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 ...

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

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) ...

A tiny star is making big moves — whether its accomplice likes it or not. Astronomers have spotted a star just a fraction the ...

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 ...

Temperamental' stars that brighten and dim over a matter of hours or days may be distorting our view of thousands of distant ...

A new study published by an international team of researchers led by Taro Matsuo, an astrophysicist at Nagoya University in Japan, argues that this evolutionary trend made sense 3 billion years when ...