Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system.

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

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 ...

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 ...

Astronomers have mapped, for the first time, the three-dimensional structure of an exoplanet’s atmosphere, revealing ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

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

Most of the information we have about planets beyond our solar system (exoplanets ... as it will seem to block out more of the star's light, or they might infer the planet is hotter than it ...

Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in ...

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

High-pressure experiments generated the first direct observation of plastic ice, which has qualities of both crystalline ice and liquid water.

To better understand why the planets have variable compositions ... to the formation of the gas and ice giants in the outer solar system. This first-order model of planetary growth in the solar ...