Science ❯Astronomy ❯Solar System

Planets

Mercury Mars Jupiter Planetary Characteristics Venus Uranus Orbital Mechanics Earth Neptune Planetary Alignment Formation Exoplanets Visibility Positions Celestial Events Inner Planets Trans-Neptunian Objects Current Planets Voyager 1 Mars and Jupiter Planetary Orbits Dwarf Planets Rare Phenomena Visible Planets Visibility Conditions Planetary Formation Planetary Motion

James Webb Uncovers Massive Early Galaxies and a Fading Exoplanet Candidate

Spectroscopic campaigns across multiple observatories will test the fading detection of a giant planet candidate around Alpha Centauri A.

New VLT Observations Reveal Active Interstellar Comet 3I/ATLAS

Rare Planet Parade Offers Stunning Night Sky Views This Week

Rare Seven-Planet Alignment Visible This Week

Rare Planetary Alignment Visible in Night Sky on February 25

Rare Planetary Parade of Seven Planets Peaks on February 28

Rare Planetary Parade to Grace February Skies

Rare Planetary Alignments Grace February Skies

Six-Planet 'Parade' Graces Night Sky in Rare Viewing Opportunity

Rare Sun-Skirting Comet Visible in Southern Hemisphere Skies This Week

Rare Comet Tsuchinshan-ATLAS Visible Tonight for First Time in 80,000 Years

Mars and Jupiter to Appear Closest in Sky Until 2033

NASA's Perseverance Captures Mars' Partial Solar Eclipse; Earth Awaits Total Eclipse

Rare 'Aubrite' Meteorite Fragments Found in Germany Offer Clues to Earth's Origins

Great North American Eclipse on April 8 to be Most Visible in 100 Years

Rare Solar Event Causes Dramatic Expansion of Mars' Atmosphere