Astronomers have unlocked a new way to explore alien worlds by mapping the 3D structure of an exoplanet’s atmosphere for the ...

Astronomers on Tuesday announced their observations of distinct winds in separate layers circulating on the planet named WASP ...

With an equatorial diameter of 7926 miles (12,760 kilometers), our planet Earth is the biggest of the terrestrial planets and the fifth largest planet in our solar system. It is the only planet in the ...

By combining the four giant telescopes of the Very Large Telescope, an international team has observed the exoplanet WASP-121b with unprecedented precision, revealing one of the most extreme climates ...

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

The controversy endures over Pluto's true status, but the solar system underdog continues to capture hearts across the globe.

Their discovery showed that even tucked away in our innards – in the walls of our stomachs, subjected to vinegar-like pH ...

Clyde Tombaugh discovered Pluto in 1930 at Lowell Observatory in Flagstaff. Here's how Pluto won - and lost - its planetary status.

Saturn, Venus, Neptune, Uranus, Jupiter, Mars and Mercury will be visible in an uncommon planetary alignment this month.

Astronomers use planetary alignment to describe the phenomenon when planets gather closely on one side of the Sun at the same ...

“New Horizons shattered a major paradigm of planetary science,” says Alan Stern, the mission’s principal investigator. “Pluto ...

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