European Space Agency
Every Cosmic Herald story on European Space Agency — missions, launches, discoveries, and the business of space, newest first.
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Astronomy
X-ray Echoes of Dead Stars Nudge the Milky Way's Outer Arms Farther Out
Using dust-scattered X-ray light echoes from three gamma-ray bursts, astronomers re-measured two of the Milky Way's outer spiral arms and found them up to 10% farther from the galactic center than assumed.
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NASA & Agencies
Asteroid Day 2026: As Hera Closes In on Dimorphos, Planetary Defense Gets Its Moment
On June 30, 2026, the UN-sanctioned Asteroid Day arrives at a hinge point: DART proved we can nudge an asteroid, and ESA's Hera spacecraft is due at Didymos-Dimorphos by year's end to inspect the wreckage.
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Astronomy
Hubble's 'Chandelier Cluster' Reveals Its Ancient Stars Formed in Two Separate Bursts
Hubble's June 2026 image of NGC 6723, the 'Chandelier Cluster,' shows its 10-billion-year-old stars formed in two closely spaced bursts — the second within 634 million years of the first — undercutting the old idea that globular clusters are single-age populations.
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Military Space
China Is Filling Low Orbit With Derelict Rocket Bodies — and Three Have Already Exploded
A LeoLabs analysis finds China abandoned 51 spent rocket bodies above 650 km from 2021-2025 — 86% of the global total — and three have already fragmented, seeding debris clouds that will outlast everyone reading this.
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Astronomy
Euclid's 60-Million-Star Portrait of the Galactic Bulge Lays Groundwork for Roman
Euclid's new visible-light mosaic of the Milky Way's crowded center packs 60 million stars across 22 Moons of sky — and quietly hands NASA's Roman telescope a two-year head start on its planet hunt.
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Science & Discovery
Hubble Catches a Tiny Galaxy Burning Off the Cosmic Fog, 1.4 Billion Years After the Big Bang
Astronomers used Hubble to catch ionizing UV light escaping a small, furiously star-forming galaxy in the reionization epoch — the first such detection, and direct evidence for how the early universe became transparent.
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NASA & Agencies
Behind Closed Doors: ESA's 347th Council Sets the Table for Europe's 2026 Ministerial
ESA's governing Council wrapped its 347th meeting on 16-17 June 2026 with decisions on agency governance, programmes and international partnerships, feeding directly into preparations for the CM26 ministerial later this year.
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Commercial
An Austrian Propulsion Startup Just Landed €6.3 Million From Europe's Sovereign Space Push
Gate Space, a Vienna-born satellite propulsion firm, secured €6.3M from the European Innovation Council — the only space company in a 38-firm cohort — as Europe doubles down on homegrown launch and in-orbit capabilities.
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NASA & Agencies
A European at the Controls: ESA's Parmitano Named Artemis III Pilot as NASA and ESA Sign New Climate and Lunar Deals
NASA named ESA's Luca Parmitano pilot of Artemis III, ESA committed a third European Service Module, and the two agencies signed Earth-science and Lunar Pathfinder agreements around ESA's 347th Council in Noordwijk.
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Astronomy
Asteroid 2026 JH2's Surprise Close Approach Exposes Detection Gaps in Planetary Defense
A 62-foot asteroid discovered just days before its closest approach demonstrates how near-Earth objects can slip past detection systems—and why autonomous surveys matter for planetary safety.
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Military Space
Combat Surgeon, Record-Setter, Next: Army's Col. Rubio Named to Artemis III Earth Orbit Test Crew
Col. Frank Rubio — who shattered the U.S. record for longest single spaceflight — has been named to the 2027 Artemis III crew alongside ESA astronaut Luca Parmitano, in a mission that will test lunar lander docking in Earth orbit as the final dress rehearsal before the Moon.
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NASA & Agencies
ExoMars Rosalind Franklin Rover: Still Alive, Still Going to Mars
ESA's ExoMars rover survived the loss of its Russian Roscosmos partnership and is being rebuilt for a European launch. If it gets to Mars, it will carry a drill no other mission has ever attempted.
