Planetary systems in the Milky Way galaxy tend to follow a particular pattern: rocky planets toward the center, closest to ...

A rocky exoplanet in the LHS 1903 system defies planet formation models, hinting that gravitational upheaval reshaped the red dwarf’s four worlds.

Astronomers have uncovered a distant planetary system that flips a long-standing rule of planet formation on its head. Around the small red dwarf star LHS 1903, scientists expected to find rocky ...

Since the 1990s, scientists have discovered approximately 6,100 planets outside our solar system, called exoplanets.

Forbes contributors publish independent expert analyses and insights. Leslie Katz covers the intersection of culture, science and tech. A yellowish-orange glow bathes Phainoterra, a planet of dramatic ...

NORFOLK, Va. — This week will bring a celestial parade, full planetary alignment. The alignment will involve Mercury, Venus, Mars, Jupiter, Saturn, Uranus, and Neptune appearing in an arcing line from ...

WASHINGTON, April 22 (Reuters) - Astronomers have spotted a small rocky planet that orbits perilously close to its host star disintegrating as its surface is vaporized by stellar heat, trailed by a ...

I’m a planetary scientist who was born the year of Sputnik’s launch. Over the course of my 40-year career, I’ve witnessed not one but at least five separate revolutions that fundamentally transformed ...

In Star Wars, Anakin Skywalker burned alive on the shores of a roiling lava planet called Mustafar, fueling his tumultuous transition into Darth Vader. Now, astronomers have found an atmosphere on a ...