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Cosmic Phenomena

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Astronomers Confirm Two Super‑Puff Jupiter‑Size Planets

Planned JWST observations will seek to confirm massive hydrogen‑helium envelopes, testing models for how such ultra‑low‑density giants form.

Webb Readout Suggests Interstellar Comet 3I/ATLAS Formed 10–12 Billion Years Ago

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

Hubble Spots Rare Post-Starburst Galaxy Where a Black Hole Stifles New Stars

Antarctic Ice Cores Reveal Supernova Dust Tracing 80,000 Years of the Solar System’s Route

Pentagon Publishes First Public Archive of UAP Files Under Trump Transparency Push

Eta Aquariid Meteor Shower Peaks May 5–6 Under Bright Moonlight

Hubble Marks 36 Years With New Trifid Nebula View

Lyrids Meteor Shower Peaks With Up To 20 Meteors an Hour

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

Lyrids Meteor Shower Nears Peak Over France With Favorable Skies

Lyrid Meteor Shower To Peak Wednesday Night With Improved Skies Forecast

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

Astronomers Measure Cygnus X-1’s ‘Dancing’ Black Hole Jets at 10,000 Suns of Power

New Meteor Shower Traces to Asteroid Crumbling Near the Sun

Global Collaboration Pins Local Hubble Constant at 73.50 ± 0.81 km/s/Mpc With 1% Precision

Muse Unveil 10th Album 'The WOW! Signal' As 'Be With You' Debuts From Near Space

Crescent Moon Pairs With Venus on the Vernal Equinox

Webb’s ‘Little Red Dots’ Remain Unexplained as Conflicting Clues Emerge

Nature Study Links Superluminous Supernova to Newborn Magnetar Through Relativistic 'Chirp'