All articles
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Astronomy
Six Galaxies, One Future Giant: JWST Catches a Massive Galaxy Mid-Assembly
JWST's SAPPHIRES survey has caught a compact proto-group of six galaxies at z=4.97 — 1.2 billion years after the Big Bang — that models say will merge into a single ~100-billion-solar-mass galaxy.
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NASA & Agencies
Wildfires Force NASA to Evacuate Its Madrid Deep Space Station, Shifting Voyager Tracking to California
Wildfires near Madrid forced NASA to evacuate one of only three Deep Space Network complexes on Friday; all 90 workers got out safely and mission support, including the Voyager 1 downlink, shifted seamlessly to Goldstone in California.
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Commercial
Starship Flight 13 Nails Its First Intact Splashdown — and Drops 20 Real Starlink Satellites
On Flight 13, SpaceX put an intact Starship in the water for the first time and deployed 20 working Starlink V3 satellites — its first real payloads — even as the Super Heavy booster came down hard after an incomplete landing burn.
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Military Space
Air Force Inherits the Military's Troubled M-Code GPS Receiver Program from Space Force
The Air Force Life Cycle Management Center took over the delay-plagued MGUE program on July 23, 2026, absorbing the jam-resistant M-code receiver effort that the Space Force developed but struggled to field on schedule.
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Astronomy
Hubble Watches a Nova Fire 'Bullets' Through the Milky Way at 20 Million MPH
Hubble imagery reported July 24, 2026 shows a nova launching dense clumps of ejected material across the galaxy at roughly 20 million mph — and astronomers still can't explain where the projectiles come from.
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Missions
CAPSTONE 02: NASA's Twin Smallsats Will Rehearse the Hardest Trick in Cislunar Space
NASA has announced CAPSTONE 02, a pair of identical ~400 kg spacecraft launching in 2027 into a near-rectilinear halo orbit to practice rendezvous, autonomous navigation and cislunar comms — groundwork for Artemis and a future lunar base.
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Commercial
NASA Reopens Stennis' B-2 Stand to Hot-Fire New Glenn's Hydrogen Upper Stage
NASA and Blue Origin have agreed to prep the historic B-2 test stand at Stennis to hot-fire New Glenn's two-engine, LOX/LH2 second stage this fall — a move that ties the rocket's readiness directly to Artemis.
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NASA & Agencies
'A Quick Path to Yes': Commerce Starts Certifying the Space Missions Nobody Was Regulating
The Office of Space Commerce is moving its Space Commerce Certification program from proposal to practice, offering a voluntary 120-day "presumption of approval" for satellite servicing, commercial stations and debris removal — the missions Congress has never assigned to any regulator.
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Science & Discovery
Earth's Deep Mantle Is Still Leaking Solar Nebula Gas — and It Says Proto-Earth Was About a Third of Today's Planet
Neon bubbling out of mid-ocean-ridge basalts can only have come from the solar nebula, and a new Planetary Science Journal paper uses it to pin the young Earth's mass at roughly 0.3 Earth masses — captured from a disk already depleted at least 100-fold.
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Astronomy
The Lopsided Galaxy: Hubble Catches NGC 4654 Squeezed on One Side, Stripped on the Other
A new Hubble image of NGC 4654, an intermediate spiral 72 million light-years away in the Virgo Cluster, shows a galaxy being compressed along one flank and unravelled along the other — the combined fingerprint of ram-pressure stripping and a tidal encounter with NGC 4639 some 500 million years ago.
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Commercial
The Last of the Shuttle Engines: Four RS-25s Arrive at Michoud for Artemis III
L3Harris delivered four RS-25 engines with 36 shuttle flights between them to NASA's Michoud facility on July 22, 2026 — the final flight of Space Shuttle Main Engine heritage hardware before Artemis V switches to newly built, 3D-printed engines.
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Military Space
The Nuke Detectors Riding Shotgun on GPS: NNSA Ships Its Fifth Next-Gen Global Burst Detector
NNSA has handed the Space Force its fifth next-generation Global Burst Detector, the multi-lab sensor payload that turns GPS satellites into a 24/7 nuclear detonation watch — announced the same day the Space Force offloaded its troubled M-code receiver program to the Air Force.
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