Science ❯ Astrophysics

Cosmic Phenomena

Supernovae Star Formation X-ray Astronomy Supermassive Black Holes Black Holes Supernova Remnants Interstellar Objects Radio Waves Neutron Stars Charged Particles

3 ARTICLES

last mo.

X‑Ray Echoes Show Two Outer Milky Way Arms About 10% Farther Than Thought

A geometry‑based measurement using X‑ray rings gives an independent distance check that could alter estimates of the galaxy’s size, mass distribution and rotation models.

9 ARTICLES

last mo.

Launch Failure Delays Mission to Rescue NASA’s Swift Telescope

8 ARTICLES

last mo.

Reanalysis Lowers Mass of Nearby Exoplanet GJ 3378b and Places It in Habitable Zone

3 ARTICLES

last mo.

X‑Ray Echoes Push Two Outer Milky Way Arms About 10% Farther Out

9 ARTICLES

last mo.

U.S. Robot Mission Readies to Boost Aging Swift Space Telescope

3 ARTICLES

2mo ago

Distant Lensed Starburst Identified as Leading Candidate for 2021 IceCube Neutrino

3 ARTICLES

2mo ago

Astronomers Identify White Dwarf Binary as Source of Long‑Period Radio Transient

3 ARTICLES

3mo ago

Fermi Detects Gamma Rays From Superluminous Supernova SN 2017egm

12 ARTICLES

3mo ago

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

7 ARTICLES

4mo ago

Hubble Marks 36 Years With Sharper Trifid Nebula Portrait That Shows Change

7 ARTICLES

4mo ago

Comet Pan‑STARRS Reaches Perihelion Sunday, Closing a Brief Pre‑Dawn Viewing Window

4 ARTICLES

4mo ago

Two-Component Dark Matter Model Offers New Explanation for Milky Way Gamma-Ray Excess

6 ARTICLES

4mo ago

Study Points to Tight Supermassive Black Hole Binary in Markarian 501

Cosmic Phenomena

X‑Ray Echoes Show Two Outer Milky Way Arms About 10% Farther Than Thought

Launch Failure Delays Mission to Rescue NASA’s Swift Telescope

Reanalysis Lowers Mass of Nearby Exoplanet GJ 3378b and Places It in Habitable Zone

X‑Ray Echoes Push Two Outer Milky Way Arms About 10% Farther Out

U.S. Robot Mission Readies to Boost Aging Swift Space Telescope

Distant Lensed Starburst Identified as Leading Candidate for 2021 IceCube Neutrino

Chandra Sees Unexpected X‑Ray Flickering From Supernova Remnants in M83

Study Reaffirms Cosmic Acceleration After Rebutting 2025 Deceleration Claim

JWST and ALMA Image Supernova-Driven Wind Stripping Gas From a z≈5.3 Galaxy

Gemini Image Shows Nine‑Year Binary Sculpting the Crystal Ball Nebula

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Cosmic Phenomena

SETI Radio Search Finds No Alien Technology on Interstellar Comet 3I/ATLAS

Scientists Detect Wind From Milky Way’s Central Black Hole

Juno Finds Foreshock Structures Accelerate Electrons to Near‑Light Speed

Astronomers Identify White Dwarf Binary as Source of Long‑Period Radio Transient

Fermi Detects Gamma Rays From Superluminous Supernova SN 2017egm

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

Hubble Marks 36 Years With Sharper Trifid Nebula Portrait That Shows Change

Comet Pan‑STARRS Reaches Perihelion Sunday, Closing a Brief Pre‑Dawn Viewing Window

Two-Component Dark Matter Model Offers New Explanation for Milky Way Gamma-Ray Excess

Study Points to Tight Supermassive Black Hole Binary in Markarian 501

Never miss stories about

Cosmic Phenomena