Science ❯ Astrophysics

Gravitational Effects

Orbital Mechanics Perihelion Orbital Dynamics Lunar Cycles General Relativity Planetary Formation Frame-Dragging Black Widow Systems Tidal Forces Orbital Changes

Hubble Spots First Known Comet Spin Reversal

Uneven gas jets likely flipped the small comet's spin.

Star-Shredding Black Hole’s Radio Jet Still Surging, With Peak Predicted Around 2027

Mars’ Gravity Helps Drive Earth’s Ice‑Age Cycles, New Simulations Show

Astronomers Make First Direct Mass Measurement of a Rogue Planet

Study Reports First Clear Evidence of Black Hole Frame-Dragging

NIST Finds Mars Clocks Run 477 Microseconds Faster Per Earth Day

Record Black Hole Flare Points to Tidal Disruption of a Giant Star

Hubble Spots White Dwarf Devouring Nitrogen‑Rich, Pluto‑Like Icy Debris

Asteroid 2025 FA22’s Close Pass Spurs Global Planetary-Defense Drill Next Week

Study Hints at 'Planet Y' in Outer Solar System After Kuiper Belt Warp Detected

Dual Lensing-Kinematics Study Confirms 36-Billion-Solar-Mass Black Hole in Cosmic Horseshoe

Study Finds Passing Stars Could Destabilize Solar System

Study Finds 2% Chance of Milky Way–Andromeda Collision in 5 Billion Years

Atomic Clocks Installed on ISS Begin 30-Month Physics Experiment

Gaia Spacecraft Confirms First Exoplanet and Brown Dwarf Using Astrometry

NASA's Juno Mission Solves Io's Volcanic Mystery

Earth May Have Had Rings 466 Million Years Ago