Space News · June 25, 2026 · 4:21

Webb studies ancient interstellar comet & Starlink launch expands mega-constellation - Space News (Jun 25, 2026)

Webb studies ancient interstellar comet & Starlink launch expands mega-constellation - Space News (Jun 25, 2026)

Webb studies ancient interstellar comet & Starlink launch expands mega-constellation - Space News (Jun 25, 2026)
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Today's Space News Topics

  1. Webb studies ancient interstellar comet

    — NASA’s James Webb Space Telescope observations of interstellar comet 3I/ATLAS suggest it may be 10 to 12 billion years old, far older than the solar system. The findings offer rare clues about planetary building blocks formed around other stars and help ground public speculation with real data.
  2. Starlink launch expands mega-constellation

    — SpaceX launched 24 new Starlink satellites on a Falcon 9 from Vandenberg, continuing rapid growth of the world’s largest satellite network. The mission also highlighted reusable-rocketry maturity with a booster flying for the 25th time, as the active constellation nears 10,700 satellites.
  3. Artemis II lessons refine Orion

    — New NASA communications describe how early takeaways from Artemis II are being folded back into Orion spacecraft operations and future mission planning. The updates frame Artemis II as a pivotal step toward sustained lunar missions and longer-term Mars ambitions.
  4. ISS spacewalk to fix Canadarm2

    — NASA previewed a U.S. spacewalk to replace a wrist joint on the ISS Canadarm2 robotic arm, underscoring how ongoing maintenance keeps the station’s core capabilities online. The planned EVA is part of a long-running sequence of assembly and upkeep spacewalks that enable everything else in low Earth orbit.
  5. June skywatching: planets and meteors

    — NASA JPL and the Royal Observatory Greenwich spotlight June 2026 sky events, including close planet pairings, lunar occultations, and upcoming meteor activity. These guides connect professional space science to what listeners can actually see from the ground this month.
Full Episode Transcript: Webb studies ancient interstellar comet & Starlink launch expands mega-constellation

Welcome to The Automated Daily, space news edition. The podcast created by generative AI. In the last 24 hours, we’ve gone from a comet that may be older than our solar system, to a rocket booster hitting its 25th flight, to astronauts prepping to keep the space station’s robotic arm alive and well—plus a quick guide to what to watch in the June night sky.

Webb studies ancient interstellar comet

First up: an interstellar visitor with a seriously deep history. New public-facing reports tied to James Webb Space Telescope observations of comet 3I/ATLAS say this object may have formed roughly 10 to 12 billion years ago—making it two to three times older than the solar system. That turns 3I/ATLAS into a kind of traveling time capsule from an era when star formation in the universe was far more intense, and its chemistry could help scientists compare how planetary ingredients assemble in other star systems versus our own. And despite the inevitable buzz that follows anything “interstellar,” coverage also emphasizes a clear point: researchers see no evidence of alien life in what Webb has measured—still fascinating science, just not science fiction.

Starlink launch expands mega-constellation

Closer to home in low Earth orbit, SpaceX added another batch to its broadband constellation with a Falcon 9 launch from Vandenberg Space Force Base. The Starlink 17-45 mission lifted off late June 24 local time and deployed 24 satellites, while the first stage returned to a droneship landing in the Pacific. The standout statistic: the booster assigned to the mission flew for the 25th time, another marker of how routine—and how high-cycle—orbital-class reusability has become. The launch also nudges the active Starlink constellation to nearly 10,700 satellites, a scale that’s transforming both space operations and the conversation around orbital crowding and night-sky impacts.

Artemis II lessons refine Orion

In human spaceflight, Artemis II remains the big storyline, with new NASA materials focusing less on spectacle and more on iteration. Agency updates describe how lessons from Artemis II are being captured and fed back into Orion spacecraft design, procedures, and planning for the missions that follow. That’s the core logic of a sustainable exploration campaign: the mission isn’t just a historic crewed trip beyond low Earth orbit after a half-century gap—it’s a data-rich test that’s supposed to make the next flights safer, more efficient, and more repeatable as NASA builds toward longer-duration lunar operations.

ISS spacewalk to fix Canadarm2

Meanwhile aboard the International Space Station, NASA previewed an upcoming U.S. spacewalk aimed at a very practical objective: servicing Canadarm2 by replacing a wrist joint. Two NASA astronauts—Chris Williams and Jessica Meir—are slated to perform the work during a June 30 EVA. Canadarm2 isn’t a luxury; it’s central to moving hardware, supporting spacewalks, and handling visiting vehicles, so keeping its joints healthy is essential station infrastructure. NASA also noted this will be the 280th spacewalk supporting ISS assembly, maintenance, and upgrades—a reminder that a huge share of space progress comes from persistent upkeep, not just headline launches.

June skywatching: planets and meteors

Finally, if you want something you can participate in tonight, June skywatching guides are making the rounds from NASA’s Jet Propulsion Laboratory and the Royal Observatory Greenwich. Highlights include bright-planet pairings—like Venus and Jupiter appearing close after sunset—along with chances to spot Mercury low near the horizon during favorable windows. The guides also flag seasonal markers like the solstice and point observers to classic summer targets once the sky is fully dark. As always, follow safe observing practices—especially around any daylight events—and treat these monthly guides as a low-effort way to connect the day’s space headlines to the sky right above you.

That’s today’s space news snapshot: an ancient interstellar comet under Webb’s gaze, another high-reuse Falcon 9 Starlink run, Artemis II lessons shaping what comes next, and ISS astronauts gearing up to keep Canadarm2 in fighting shape. Come back tomorrow for the next 24 hours in space.

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