All articles
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NASA & Agencies
Spacewalk 95: Two NASA Astronauts Head Outside to Give Canadarm2 a New Wrist
On June 30, NASA astronauts Chris Williams and Jessica Meir will spend roughly six and a half hours outside the ISS replacing a malfunctioning wrist roll joint on the 25-year-old Canadarm2, the robotic arm that captures and berths visiting cargo ships.
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Science & Discovery
Not Ice Giants After All: A New Model Recasts Uranus and Neptune as Magma-Ocean Worlds
A June 2026 preprint argues Uranus and Neptune aren't water-ice worlds but supercritical, hydrogen-rich magma oceans under H2 envelopes — a model that, with just three parameters per planet, reproduces nearly everything we measure.
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Astronomy
A Galaxy Shaped Like a Bow and Arrow Is Plowing a 1.8-Million-Light-Year Shockwave Through Space
Citizen scientists working with India's RAD@home collaboratory and LOFAR images found RAD-BAARG, a radio galaxy falling supersonically into a cluster and carving a glowing bow shock about 1.8 million light-years across.
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Stargazing
Your July 2026 Night Sky: A Daytime-Bright Venus, the Buck Moon, and a Fireball-Rich Meteor Finale
July 2026 hands naked-eye observers a brilliant magnitude -4 Venus near Regulus, a razor-thin 0.11-degree Mars-Uranus pairing before dawn on July 4, the Full Buck Moon on July 29, and twin meteor showers — including fireball-prone Alpha Capricornids — closing the month.
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Commercial
NASA's Moon Base Rovers Get Real: Astrolab and Lunar Outpost Race Toward a 2027 Delivery
NASA wants two commercially built crewed rovers parked near the lunar South Pole by November 2027, ahead of the Artemis 4 landing in early 2028. Here's how Astrolab's CLV-1 and Lunar Outpost's Pegasus aim to survive 150 days of dark at -400°F and still drive 400 km.
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NASA & Agencies
Botswana Signs the Artemis Accords, Becoming the 68th Nation and Sixth African Member
Botswana signed the Artemis Accords on June 25, 2026, becoming the 68th signatory and sixth African nation to join the U.S.-led framework — the ninth country to sign this year alone.
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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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Stargazing
A Surprise G1 Geomagnetic Storm Lit Up June 25 as a New Sunspot Woke Up
A G1 geomagnetic storm crossed the threshold at 4:43 UTC on June 25, 2026, driven by coronal-hole solar wind and a possible glancing CME, as new sunspot region AR4478 fired most of the day's 16 C-class flares.
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Missions
CRS-34 Dragon Heads Home With Bioprinted Tissue and Cancer-Research Cargo
SpaceX's CRS-34 Dragon undocked from the ISS on June 16 and splashed down off California early June 17, carrying thousands of pounds of finished experiments — bioprinted organ tissue, DNA-inspired cancer materials, cryogenic fuel data and more.
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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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Astronomy
A Ghostly Neutrino Leads Astronomers to 'Shadow Blaster,' a Starburst Galaxy 11 Billion Light-Years Away
A 2021 IceCube high-energy neutrino has been traced to JCMT0402-0424, a gravitationally lensed starburst galaxy 11 billion light-years away — the strongest evidence yet that distant dusty star-forming galaxies forge the universe's most elusive particles.
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