Science ❯ Astronomy

Celestial Mechanics

Orbital Dynamics Lunar Phases Comets Trajectory Analysis Eclipses Gravitational Interactions Solar System Trajectory Moon Phases Gravitational Effects

New Models Say Earth Could Avoid Being Engulfed by the Sun

Revised tidal physics make the amount of future solar mass loss the central unknown for Earth's long‑term fate.

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Venus and Jupiter Close to a 1.6° Conjunction in Early June Twilight

Blue Moon Due on May 31, 2026

Researchers Identify Far‑Side Lunar Route That Could Cut Fuel Use and Keep Earth Contact

Study Suggests Nereid Is Neptune’s Last Intact Original Moon

Total Solar Eclipse to Cross Spain, Iceland and Greenland on 12 August 2026

Asteroid 2026 JH2 Makes Safe 91,600-Kilometer Flyby of Earth

NASA Confirms August 2, 2027 Total Solar Eclipse With Unusually Long Totality

NASA’s Psyche Skims Mars for Gravity Assist on Course to Metal-Rich Asteroid

Newly Discovered Asteroid to Make Very Close, Safe Earth Flyby on Monday

JWST Finds Heavy, Water-Rich Atmosphere on Mini-Neptune in Rare Hot-Jupiter System

Study Reports Tenuous Atmosphere on a 500-Kilometer Kuiper Belt World

Falcon 9 Upper Stage Predicted to Strike Moon Near Einstein Crater on August 5

NASA-Backed Studies Confirm Earth’s Spin Is Slowing by Tiny Amounts

Lyrid Meteor Shower To Peak Wednesday Night With Improved Skies Forecast

Four-Planet Pre-Dawn Parade Peaks Worldwide April 18–20

Comet PANSTARRS Now Visible in Germany’s Pre‑Dawn Sky as Viewing Window Closes

NASA Confirms Aug. 2, 2027 Total Solar Eclipse With 6 Minutes 22 Seconds of Totality

Sungrazer Comet MAPS Faces Make-or-Break Sun Brush April 4–5

Hubble Spots First Known Comet Spin Reversal