**Full show notes:**
Today's episode — S05E169, Monday August 17, 2026:
**Main story: NASA funds spherical "Aerobots" to explore Titan's caves.** A NASA Innovative Advanced Concepts (NIAC) Phase 1 grant is backing SPARK (Solid-state Propulsion for Autonomous Reconnaissance of Karst) — small, propeller-free spherical robots using electrohydrodynamic (EHD) thrusters, led by Daniel Drew (University of Hawaii) with JPL's Ethan Schaler and Jacob Izraelevitz and Michael Malaska (Blue Marble Space Institute of Science). The concept targets Titan's karst terrain — sinkholes and caves carved by liquid methane and ethane rather than water — as a candidate site for astrobiology research. Phase 1 covers nine months; a Phase 2 award could follow. No confirmed mission link yet, though NASA's Dragonfly rotorcraft is headed to Titan around 2028.
**SpaceX sets a new launch-turnaround record.** Two Falcon 9 missions launched 38 minutes apart on August 15 — a Globalstar satellite mission from Cape Canaveral Space Force Station at 9:12 p.m. ET, and the classified USSF-366 mission from Vandenberg Space Force Base at 9:50 p.m. ET — beating SpaceX's previous 65-minute record from August 2024. Both boosters landed successfully (14th and 18th flights respectively). 2026 tally: 96 Falcon 9 launches so far.
**Rocket Lab wins $397 million Space Force contract for "Flatellites."** The flat-panel satellites will support the SB-AMTI (Space-Based Airborne Moving Target Indicator) program and launch stacked aboard Rocket Lab's still-undebuted Neutron rocket. It's Rocket Lab's largest defense contract to date, bringing 2026 government contract funding to $943 million.
**Geomagnetic storm expected today.** A double CME plus a high-speed solar wind stream is forecast to bring G1–G2 level geomagnetic storming, with the main impact expected later today. Aurora is possible at high latitudes — potentially Scotland, northern England, Northern Ireland, Alaska, Canada, and the northern US, plus southern New Zealand and Tasmania in the Southern Hemisphere. Comes amid an active stretch for the Sun, including 14 C-class flares from sunspot region AR4507 over August 15–16.
**Links & sources:**
- [Space.com — NASA funds spherical 'Aerobots' for Titan's caves](https://www.space.com/technology/nasa-funds-spherical-aerobots-that-could-explore-the-caves-of-saturns-moon-titan)
- [JPL Robotics — Titan Aerobots](https://www-robotics.jpl.nasa.gov/what-we-do/research-tasks/titan-aerobots/)
- [JPL — Shapeshifter concept for Saturn's moons (background)](https://www.jpl.nasa.gov/news/nasa-designing-shapeshifting-robots-for-saturns-moons/)
- [Space.com — SpaceX breaks launch doubleheader record](https://www.space.com/space-exploration/launches-spacecraft/spacex-breaks-record-launch-doubleheader-ussf-366-globalstar-2r)
- [Spaceflight Now — Globalstar/USSF-366 launch coverage](https://spaceflightnow.com/2026/08/15/live-coverage-spacex-to-launch-satellite-replenishment-mission-for-globalstar-from-cape-canaveral/)
- [Space.com — Rocket Lab's $397M Flatellites contract](https://www.space.com/space-exploration/satellites/us-space-force-gives-rocket-lab-usd397-million-to-build-threat-tracking-flatellites)
- [Rocket Lab — Flatellites contract announcement](https://rocketlabcorp.com/updates/rocket-lab-awarded-397-million-contract-to-build-and-launch-flatellites-for-u-s-space-forces-space-based-airborne-moving-target-indicator-program/)
- [ummid.com — Geomagnetic storm set to hit Earth Monday Aug 17](https://www.ummid.com/news/2026/8/16/what-is-geomagnetic-storm-set-to-hit-earth-monday-aug-17.html)
- [EarthSky — Sun news / solar flare, CME, aurora updates](https://earthsky.org/sun/sun-news-activity-solar-flare-cme-aurora-updates/)
Follow us: @AstroDailyPod
Become a supporter of this podcast: https://www.spreaker.com/podcast/astronomy-daily-latest-space-news--5648921/support (https://www.spreaker.com/podcast/astronomy-daily-latest-space-news--5648921/support?utm_source=rss&utm_medium=rss&utm_campaign=rss) .
Sponsor Details:
Ensure your online privacy by using NordVPN. To get our special listener deal and save a lot of money, visit www.astronomydaily.io/nordvpn. (https://www.astronomydaily.io/nordvpn) You'll be glad you did!
Get the best secure and private email on the planet. Stop your Government, google and who knows who else spying on every email you write. Do what we did and use ProtonMail. They beleive in privacy and there are no ads in their business model...yet they still provide a free forever servi...