Science ❯ Astronomy

Celestial Navigation

Constellations Night Sky Observation Star Identification Star Patterns Stellar Patterns Stellar Cues Spacecraft Maneuverability Radiant Points Star Navigation Stellar Navigation

Crescent Moon Pairs With Venus on the Vernal Equinox

Look west shortly after sunset for a brief, low-horizon view guided by bright Venus.

Crescent Moon Brushes Past Saturn Tonight, With Neptune Nearby

Jupiter Shines All Night as It Reaches Opposition Tonight

Jupiter Reaches Opposition Jan. 9–10, Offering Its Brightest View of 2026

Ursid Meteor Shower Peaks Tonight, The Year’s Final Display

Geminids Set to Peak Dec. 13–14 With Favorable Dark Skies

Leonids Peak Overnight With Modest Show Under Dark Skies

Comet Lemmon Makes Oct. 21 Close Pass Under New-Moon Skies

Orionid Meteor Shower Peaks Oct. 21–23 Under New-Moon Skies

Twin Green Comets Enter Prime Viewing Week Before Closest Approaches

Perseids Enter Final Week as Waning Moon Improves Viewing

Bogong Moths Navigate 1,000-Kilometer Spring Migration by Starlight

NASA Revives Voyager 1’s Thrusters After 21 Years to Sustain Interstellar Mission

Eta Aquarids Meteor Shower Set to Peak May 6

Comet C/2025 F2 (SWAN) Illuminates Pre-Dawn Skies Ahead of Solar Encounter

Researchers Develop Star-Based Navigation System for Drones in GPS-Denied Environments

Saturn Reaches Opposition: Best Viewing Opportunities This Weekend

NASA Successfully Deploys Advanced Solar Sail in Space

Astronomers Capture First High-Resolution Images of Spotted Polaris

August Skywatching: Perseid Meteor Shower and Planetary Conjunctions