Science ❯ Astronomy ❯ Astrophysics

Gravitational Interactions

Tidal Forces Planetary Migration Orbital Resonance Multi-Planetary Systems Planet X Neptune Eclipse Timing Analysis Star Orbits Galactic Motion Orbital Capture

Astronomers Confirm Four Hidden White Dwarfs Within 65 Light-Years

Hubble ultraviolet spectra separated white-dwarf light from red-dwarf flares, creating a roadmap to hunt more candidates with Gaia astrometry.

TESS Confirms Two Jupiter‑Sized Super‑Puff Planets

TESS Survey Identifies 27 Candidate Two‑Star Planets

Large TESS Survey Finds Close-In Giant Planets Scarcer Around Evolved Stars

First Trans-Neptunian Object Found in 10:1 Neptune Resonance

Milky Way’s Fate Hinges on 50-50 Odds of Andromeda Collision

New Dwarf Planet 2017 OF201 Undermines Case for Planet Nine

Newly Cataloged Extreme Trans-Neptunian Object Challenges Planet Nine Hypothesis

Retrograde Planet Confirmed in Tight Binary System with White Dwarf

Astronomers Discover Youngest Transiting Exoplanet Ever Observed

Astronomers Unveil First Triple Black Hole System in Milky Way