Science ❯ Astrophysics

Celestial Mechanics

Orbital Dynamics Trajectory Analysis Lunar Phases Comet Dynamics Comet Trajectories Non-Gravitational Acceleration Eclipse Mechanics Cometary Studies Gravitational Effects Comet Behavior

3 ARTICLES

6d ago

Study Confirms DART Nudged Asteroid Pair’s Orbit Around the Sun

A new Science Advances analysis reports a tiny heliocentric slowdown detected with years of precision tracking, underscoring kinetic impactors as a viable defense.

11 ARTICLES

3w ago

JUICE Releases Best-Yet Image of Interstellar Comet 3I/ATLAS as Data Flow Begins

8 ARTICLES

last mo.

AI and Crowd Sleuths Home In on Rival Sites for the Long-Lost Luna 9 Lander

18 ARTICLES

last mo.

February–March Sky Guide: Ring of Fire on Feb. 17, Six‑Planet Lineup on Feb. 28, Blood Moon on Mar. 3

3 ARTICLES

last mo.

SPHEREx Detects 20-Fold Post-Perihelion Surge in Interstellar Comet 3I/ATLAS

3 ARTICLES

last mo.

First Comet of 2026, C/2026 A1 (MAPS), Is on Course to Plunge Into the Sun on April 4

9 ARTICLES

2mo ago

Radio Search Finds No Signal From Interstellar Comet 3I/ATLAS as Hubble Images Twin Jets

10 ARTICLES

2mo ago

Sun-Facing Tail in Interstellar Comet 3I/ATLAS Reveals Wobbling Jets, Suggesting 15.5-Hour Rotation

7 ARTICLES

2mo ago

Hubble Spots Second Debris Cloud at Fomalhaut, Confirming Repeated Planetesimal Collisions

8 ARTICLES

3mo ago

MAVEN Still Silent as Data Point to Unexpected Spin and Possible Orbit Change

30 ARTICLES

3mo ago

Interstellar Comet 3I/ATLAS to Make Safe Closest Approach Friday at 167 Million Miles

14 ARTICLES

3mo ago

Interstellar Comet 3I/ATLAS Approaches Dec. 19 Flyby at 270 Million Kilometers

4 ARTICLES

3mo ago

Hubble and Juice Capture New Views of Interstellar Comet 3I/ATLAS Ahead of Dec. 19 Flyby

16 ARTICLES

3mo ago

3I/ATLAS Nears Dec. 19 Earth Flyby as NASA Affirms It Is a Natural Interstellar Comet

21 ARTICLES

3mo ago

Interstellar Comet 3I/ATLAS Nears Dec. 19 Earth Flyby as Study Flags Strong Jupiter Perturbation

11 ARTICLES

3mo ago

NASA Publishes Mars-Captured Views of Interstellar 3I/ATLAS as Minority Raises ‘Anomalies’

6 ARTICLES

4mo ago

NASA Releases New 3I/ATLAS Images, Affirms Interstellar Visitor Is a Natural Comet

Celestial Mechanics

Study Confirms DART Nudged Asteroid Pair’s Orbit Around the Sun

JUICE Releases Best-Yet Image of Interstellar Comet 3I/ATLAS as Data Flow Begins

AI and Crowd Sleuths Home In on Rival Sites for the Long-Lost Luna 9 Lander

February–March Sky Guide: Ring of Fire on Feb. 17, Six‑Planet Lineup on Feb. 28, Blood Moon on Mar. 3

SPHEREx Detects 20-Fold Post-Perihelion Surge in Interstellar Comet 3I/ATLAS

First Comet of 2026, C/2026 A1 (MAPS), Is on Course to Plunge Into the Sun on April 4

Radio Search Finds No Signal From Interstellar Comet 3I/ATLAS as Hubble Images Twin Jets

Sun-Facing Tail in Interstellar Comet 3I/ATLAS Reveals Wobbling Jets, Suggesting 15.5-Hour Rotation

Hubble Spots Second Debris Cloud at Fomalhaut, Confirming Repeated Planetesimal Collisions

MAVEN Still Silent as Data Point to Unexpected Spin and Possible Orbit Change

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Celestial Mechanics

Interstellar Comet 3I/ATLAS to Make Safe Closest Approach Friday at 167 Million Miles

Interstellar Comet 3I/ATLAS Approaches Dec. 19 Flyby at 270 Million Kilometers

Hubble and Juice Capture New Views of Interstellar Comet 3I/ATLAS Ahead of Dec. 19 Flyby

Hubble and ESA’s Juice Capture 3I/ATLAS With Active Coma and Twin Tails

Interstellar Comet 3I/ATLAS Nears Dec. 19 Flyby as Study Finds 16.16-Hour Spin

Interstellar Comet 3I/ATLAS Shows Signs of Global Ice Volcanoes, Study Finds

3I/ATLAS Nears Dec. 19 Earth Flyby as NASA Affirms It Is a Natural Interstellar Comet

Interstellar Comet 3I/ATLAS Nears Dec. 19 Earth Flyby as Study Flags Strong Jupiter Perturbation

NASA Publishes Mars-Captured Views of Interstellar 3I/ATLAS as Minority Raises ‘Anomalies’

NASA Releases New 3I/ATLAS Images, Affirms Interstellar Visitor Is a Natural Comet

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Celestial Mechanics