Astrophysics

Cosmology Observational Astronomy Cosmic Phenomena Stellar Evolution Black Holes Celestial Mechanics Galaxies Star Formation Planetary Science Orbital Mechanics

5 ARTICLES

22h ago

Hubble Spots White Dwarf Devouring Icy, Nitrogen-Rich Exo‑Pluto Fragment

Ultraviolet measurements with Hubble’s Cosmic Origins Spectrograph reveal a water‑dominated, Kuiper‑belt‑analog composition and set up JWST observations to probe molecular signatures.

19 ARTICLES

22h ago

Partial Solar Eclipse on Sunday Will Skim Southern Skies, Capping 2025’s Solar Shows

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15 ARTICLES

yesterday

Hayabusa2’s 2031 Target Shrinks to 11 Meters and Spins Every 5 Minutes, Study Finds

4 ARTICLES

yesterday

Chandra Finds Early Quasar’s Black Hole Growing Beyond the Eddington Limit

3 ARTICLES

yesterday

NASA Study Finds Sun’s Long-Term Activity Rebounded, Raising Space-Weather Risks

6 ARTICLES

2d ago

Astronomers Measure First Black-Hole Recoil, Tracing Newborn’s 3D Flight From 2019 Merger

3 ARTICLES

3d ago

XRISM Finds Dense but Slow Neutron-Star Wind, Challenging Simple Outflow Models

3 ARTICLES

3d ago

UMass Study Predicts Strong Odds of Witnessing a Primordial Black Hole Explosion Within a Decade

7 ARTICLES

3d ago

Study Ties Earth’s Early Crust Changes to Milky Way Spiral-Arm Passages

3 ARTICLES

3d ago

JWST Survey Points to 'Black Hole Stars' as the Source of Early-Universe Red Dots

6 ARTICLES

3d ago

The Moon Is Drifting Farther From Earth by 3.8 Centimeters a Year

3 ARTICLES

3d ago

JWST Confirms First Silane Detection in Ancient Brown Dwarf, Recasting Planetary Cloud Chemistry

3 ARTICLES

3d ago

Roman Telescope Details Plan to Map 20 Billion Milky Way Stars

4 ARTICLES

3d ago

Gaia Data Yields Most Accurate 3D Map of Nearby Stellar Nurseries

13 ARTICLES

5d ago

Crystal-Clear GW250114 Validates Hawking’s Area Law, Confirms Kerr-Like Remnant

8 ARTICLES

last wk.

JWST Study Proposes ‘Black Hole Stars’ to Explain Mysterious Early‑Universe Red Dots

3 ARTICLES

last wk.

Rare Chi Cygnid Meteor Shower Peaks This Weekend With Early-Evening Meteors

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Astrophysics

Hubble Spots White Dwarf Devouring Icy, Nitrogen-Rich Exo‑Pluto Fragment

Partial Solar Eclipse on Sunday Will Skim Southern Skies, Capping 2025’s Solar Shows

Hayabusa2’s 2031 Target Shrinks to 11 Meters and Spins Every 5 Minutes, Study Finds

Chandra Finds Early Quasar’s Black Hole Growing Beyond the Eddington Limit

NASA Study Finds Sun’s Long-Term Activity Rebounded, Raising Space-Weather Risks

EHT Finds Magnetic Field Flip at M87* and Traces Jet Base in Multi‑Year Study

Five-Image Einstein Cross Points to Massive Dark Matter Halo

Interstellar Comet 3I/ATLAS Turns Green as Mars Flyby Approaches

Astronomers Measure First Black-Hole Recoil, Tracing Newborn’s 3D Flight From 2019 Merger

XRISM Finds Dense but Slow Neutron-Star Wind, Challenging Simple Outflow Models

Never miss stories about

Astrophysics

UMass Study Predicts Strong Odds of Witnessing a Primordial Black Hole Explosion Within a Decade

Study Ties Earth’s Early Crust Changes to Milky Way Spiral-Arm Passages

JWST Survey Points to 'Black Hole Stars' as the Source of Early-Universe Red Dots

The Moon Is Drifting Farther From Earth by 3.8 Centimeters a Year

JWST Confirms First Silane Detection in Ancient Brown Dwarf, Recasting Planetary Cloud Chemistry

Roman Telescope Details Plan to Map 20 Billion Milky Way Stars

Gaia Data Yields Most Accurate 3D Map of Nearby Stellar Nurseries

Crystal-Clear GW250114 Validates Hawking’s Area Law, Confirms Kerr-Like Remnant

JWST Study Proposes ‘Black Hole Stars’ to Explain Mysterious Early‑Universe Red Dots

Rare Chi Cygnid Meteor Shower Peaks This Weekend With Early-Evening Meteors

Never miss stories about

Astrophysics