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

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

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 ...

Scientists from Oxford University have confirmed the discovery of HD 20794 d, a “super-Earth” exoplanet located 20 ...

Aimed at the nearby star PDS 70, the James Webb Space Telescope is watching newborn planets take shape before our eyes in ...

Many scientists have long thought that developing planets should resemble the swirling disk of gas and dust that births them.

The four planet-strong "planet parade" currently visible to the naked eye in the night sky for a short time after sunset will ...

Researchers believe they have rediscovered a mysterious star system first spotted in 2011. If true, the alien sun and its ...

An event called a "ring plane crossing" will occur between Saturn and Earth on March 23, 2025, when Saturn's rings will ...

The eight major planets in our Solar System orbit the sun on the same flat plane but at vastly different speeds. Mercury, being the closest to the sun, completes an orbit in only 88 days ...

Exciting February sky events include Venus at its brightest and closest to Earth, the moon occulting the Pleiades, and a ...

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