MASER‑17 Suborb
Suborbital launch at 0633 UTC May 31 of the SSC/DLR MASER 17 (Suborbital Express 5) microgravity mission from Kiruna using a two stage Red Kite/Red Kite rocket to apogee of 260 km
Shenzhou 22 Undocks, Lands on May 29
Shenzhou 22 undocked from the Chinese space station at 0644 UTC May 29 and landed at 1211 UTC ( I think - can someone confirm these times?)
Wheel‑legged Robot Merges Lunar Exploration with Terrain Mobility
Wheel-Legged Patrol #Robot Combines Lunar Exploration #Tech with Terrain Mobility via @ZappyZappy7 #Robotics #Automation #Innovation #Engineering #FutureTech https://t.co/cSPePL8elp
Sunbird Promises Ultra‑Fast Interplanetary Travel
Sunbird Could Redefine How Fast We Travel Beyond Earth by @spaceandtech_ #SpaceTech #AI #Engineering #Innovation #Technology https://t.co/NU7Ctmx8jL
Chemical Rockets Win: Batteries Lack Orbital Energy Density
Elon Musk: "Wish orbital rockets could be [electric], but there's no escaping Newton's Third Law." "If u saw The Simpson's and wonder why SpaceX doesn't use an electric rocket to reach orbit, it is cuz that is impossible." Chemical combustion provides a...

Blue Origin's New Glenn Static Fire Encounters Failure
Blue Origin doing a static fire test of its New Glenn rocket. Something went wrong. video by @spaceflightnow
New Glenn Launch Ends in Catastrophic Failure
Based on a handful of sources, this is what I've been able to glean about the New Glenn failure this evening in Florida. TL;DR, it's freaking bad. https://t.co/df6BcfpyF4
NASA Releases Draft RFP for Landsat 10
NASA said today the "2026-2030 Landsat Science Team" met earlier this month in Sioux Falls to discuss future of Landsat incl Landsat 10. https://t.co/a5EQw1tBnh Ystrdy it released Draft RFP for Landsat 10. https://t.co/AKyiXgJWKy
Blue Origin Bounces Back Quickly, Boosting New Glenn Cadence
Blue Origin's return to flight so soon after an upper stage anomaly is seriously impressive. It looks like they're making good on efforts to improve New Glenn cadence. https://t.co/UNeARJtu3u

SpaceX Targets $1.75T Valuation, Eyes AI Infrastructure IPO
SpaceX has filed paperwork for a reported $75 billion IPO at a $1.75 trillion valuation, potentially dwarfing Saudi Aramco’s record offering. Beyond rockets, the company is pitching itself as AI infrastructure provider, with Anthropic reportedly paying $15 billion a year...
China Launches First Space‑based Solar Power Experiments
China conducts first experiments for space-based solar power plants #energysky -- via pv magazine global: https://t.co/NTpuOBCBf9
Artemis Base to Span Hundreds of Square Miles with Drones
Artemis moon base will cover 'hundreds of square miles' with hopping drones and new lunar rovers, NASA says https://www.space.com/astronomy/moon/artemis-moon-base-will-cover-hundreds-of-square-miles-with-hopping-drones-and-new-lunar-rovers-nasa-says

France's Forgotten Spacelab Computer Reveals Industry's Rise and Fall
Mighty Ken reverse-engineered my French minicomputer designed to control ESA's reusable Spacelab. It flew on 22 Shuttle missions (1983 - 1998) with astronauts like Owen Garriott and Cady Coleman. Spacelab was Europe's first space station, and so it was to...
NASA Picks Astrolab, Lunar Outpost; Blue Origin to Deliver Rovers
At the NASA Moon Base event, NASA announced it selected Astrolab and Lunar Outpost for LTV (lunar rover) awards and Blue Origin to deliver those rovers to the Moon on its Blue Moon lander.
NASA Picks Astrolab, Lunar Outpost for 1‑ton Artemis Rovers
NASA has selected Astrolab and Lunar Outpost to build lunar rovers for the early Artemis missions. These will be approximately 1-ton vehicles with the capability to drive up to 200 km.