Space.comRobert Z Pearlman

Meir and Williams complete 7‑hour EVA to prep ISS for roll‑out solar arrays — NASA's first spacewalk in 10 months

NASA astronauts Jessica Meir and Chris Williams spent 7 hours 2 minutes on an EVA to ready power channel 2A for future roll‑out solar arrays on the International Space Station. The spacewalk — NASA's first in 10 months — begins a series of upgrades to increase station electrical capacity.

Also: NASA
2026-03-18T13:35:29.516201-07:00
Via SatelliteRachel Jewett

Satellogic Reveals Merlin Constellation for Daily Global 1‑m Earth‑Observation Mapping

By Via Satellite: Satellogic detailed plans for its next-generation ‘Merlin’ satellites, designed to provide one-meter resolution. The company said that Merlin will be differentiated by its ability to provide daily mapping of the entire planet, with one-meter spatial resolution.

2026-03-18T13:20:00.955353-07:00
Universe TodayMatthew Williams

NASA’s SPARCS CubeSat Returns First-Light Images, Begins M-dwarf Exoplanet Habitability Campaign

By Universe Today: With the first images from the spacecraft now in hand, the team behind NASA’s Star-Planet Activity Research CubeSat (SPARCS) is ready to begin charting the energetic lives of the galaxy’s most common stars to help answer one of humanity’s most profound questions: Which distant worlds beyond our solar system might be habitable?.

2026-03-18T12:40:41.290441-07:00
BloombergIsabelle Lee, Lu Wang

Index Providers Consider Rule Changes to Accommodate Trillion‑Dollar IPOs Including SpaceX

By Bloomberg: For decades, the path into America’s most important stock benchmarks followed a predictable rhythm: go public, prove yourself, wait your turn. Now the three firms that control those benchmarks are considering whether to rewrite the rules to absorb trillion-dollar IPOs from SpaceX, OpenAI and Anthropic.

2026-03-18T08:29:06.762175-07:00