Planetary Systems

Planetary Systems Planetary Science Exoplanets Astrophysics Observational Techniques Astrobiology Stellar Systems Observational Astronomy Stars Celestial Bodies

3 ARTICLES

last wk.

Hubble Observations Reveal Unexpected Darkening of Uranus’s Moons

Ultraviolet measurements attribute unexpected dark, red hues on the leading hemispheres of Uranus’s outer moons to dust from irregular satellites, upending expectations of magnetospheric effects

3 ARTICLES

last wk.

Webb Images One of Coldest Exoplanets in Chaotic Misaligned System

10 ARTICLES

2w ago

Saturn-Sized Exoplanet Orbits Record-Low Mass Star, Challenging Formation Theories

14 ARTICLES

2mo ago

Ancient Interstellar Object May Have Reshaped Solar System's Planetary Orbits

Planetary Systems

Hubble Observations Reveal Unexpected Darkening of Uranus’s Moons

Webb Images One of Coldest Exoplanets in Chaotic Misaligned System

Saturn-Sized Exoplanet Orbits Record-Low Mass Star, Challenging Formation Theories

Astronomers Confirm First Polar-Orbiting Exoplanet Around Binary Brown Dwarfs

Four Sub-Earth Exoplanets Confirmed Around Barnard's Star

Astronomers Identify Potential Fastest-Moving Exoplanet System

Scientists Confirm Nearby 'Super-Earth' in Habitable Zone

Ancient Interstellar Object May Have Reshaped Solar System's Planetary Orbits