Were there 'lost cosmonauts' in the early Soviet space program?

space.com Nov 11, 2026

Were there ‘lost cosmonauts’ in the early Soviet space program?

Curated by Shubham · TechCapsules · Nov 11, 2026

AI-summarised brief · reviewed before publication

In late 1960, Italian amateur radio enthusiasts Achille and Gian Battista Judica‑Cordiglia detected a faint SOS‑coded signal from space while monitoring a rooftop station in Turin. The signal appeared to weaken, suggesting a possible Soviet spacecraft drifting away. This event sparked a Cold War mystery about “lost cosmonauts”—unacknowledged early Soviet missions that may have ended in tragedy before Yuri Gagarin’s 1961 flight. The story remains a haunting legend of the Space Age, with the brothers’ interception forming the basis of the enduring speculation.

💡 Why It Matters

· The alleged SOS signal hints at covert Soviet activity that could reshape our understanding of early space exploration and Cold War secrecy.
· It underscores how amateur observations can challenge official narratives and illuminate hidden chapters of history.

Capsules Space

Read full article on space.com

Uranus has a weird magnetic field that’s stumped scientists for 40 years…

A new U.S. and U.K. study using computer simulations and Voyager 2 data explains the odd magnetic fields of Uranus and Neptune. The research shows that extreme internal pressures and temperatures ionize water and other volatiles, increasing electrical conductivity and producing highly tilted, off‑center magnetic fields. Simulations reproduce the 59‑degree offset on Uranus and the 47‑degree offset on Neptune, and predict that their field orientations can shift by tens of degrees over decades. The findings clarify the dynamo processes in ice giants and guide future missions.

💡 Understanding these dynamic magnetic fields reveals how ice giants generate magnetic energy under extreme conditions, offering a new window into planetary interiors that differs from Earth’s stable dipole.

space.com · Nov 11

SpaceX Starship Flight 15 live updates: Super Heavy rocket moved to launch…

SpaceX has positioned its Super Heavy booster on Launch Pad 39A at Kennedy Space Center in preparation for Flight 15, the first test that will attempt a double landing of the Starship system—both the Super Heavy first stage and the Starship second stage returning to Earth. The move follows a series of static fires and integration checks that confirmed the vehicle’s structural and software readiness. Engineers will conduct a series of pre‑launch rehearsals, including a full‑duration static fire of Super Heavy, before the scheduled launch window later this week. If successful, the mission will demonstrate the ability to recover both stages, a critical milestone for SpaceX’s plan to achieve fully reusable orbital transport and reduce launch costs dramatically.

💡 A dual‑stage recovery would prove SpaceX’s reusable architecture, unlocking faster turnaround and lower per‑flight expenses for future missions.

teslarati.com · Nov 11

SpaceX just cleared a key FCC hurdle in its fight with Verizon…

The Federal Communications Commission has opened its review of SpaceX’s application to acquire a nationwide block of 800 MHz spectrum from Grain Management, moving Starlink Mobile nearer to full U.S. carrier status. The FCC’s Wireless Telecommunications Bureau accepted filings to transfer control of two Grain license entities, Prism License Co. 1 and Prism License Co. 2, to Starlink Spectrum Holdings, a SpaceX subsidiary. The deal comprises 546 paired licenses covering 3,224 counties and essentially 100 % of the U.S. population, including territories. Acceptance triggers a public comment period ending Dec. 1, with formal oppositions due Dec. 8. The spectrum, spanning 817‑824 MHz and 862‑869 MHz, is compatible with most phones and would enable indoor coverage that Starlink’s existing 2 GHz band cannot provide. SpaceX would hold up to 89 MHz per market, well below the FCC’s 385 MHz competitive‑scrutiny threshold. A separate waiver request for supplemental space‑based use of the same frequencies remains pending. Qualcomm has been selected to supply 5G radios and baseband equipment for a ground network slated to begin deployment in 2027, with SpaceX aiming for service on its own airwaves by early 2028.

💡 Securing the 800 MHz block gives SpaceX the only missing low‑band spectrum needed to deliver true nationwide, indoor mobile coverage, directly challenging the incumbents’ dominance.

space.com · Nov 11

A distant exoplanet mysteriously vanished from sight. Astronomers just discovered why

Astronomers have explained the disappearance of exoplanet TOI‑2535 b, a hot Jupiter 1,000 light‑years away, after seven years of observation with NASA’s TESS telescope. The planet’s orbit, once regular, began arriving up to six hours early or late, and in March 2026 its transits vanished. Analysis shows an unseen companion is gravitationally tugging on TOI‑2535 b, causing its orbit to wobble and tilt out of alignment with its star. The interaction may reveal a rare, slow inward migration pathway for hot Jupiters.

💡 The finding uncovers a new dynamical mechanism that can reshape planetary orbits, offering a fresh lens on how close‑in gas giants form and evolve.

space.com · Nov 11

On this day in space! Nov. 10, 2013: Europe’s GOCE satellite, the…

On November 10, 2013, Europe's GOCE satellite, which had mapped Earth’s gravity field for four years, ran out of fuel and re‑entered the atmosphere. The 1‑ton spacecraft, nicknamed the “Ferrari of space,” disintegrated about 50 miles above the Falkland Islands, causing no damage. The European Space Agency praised the mission as a success, noting GOCE’s unprecedented gravity mapping and its role in revealing subtle variations in Earth’s crust, mantle, and ocean currents.

💡 The loss of GOCE underscores the challenges of maintaining ultra‑low orbits for precision geodesy missions. Its data set remains a critical reference for climate modeling and navigation accuracy worldwide.

space.com · Nov 11

SpaceX moves Starship Flight 15 booster to launch pad for ‘squeeze test’…

SpaceX announced on Nov. 10 that its Starship Super Heavy booster 22 has been rolled out to the launch mount at Starbase in preparation for Flight 15 on Nov. 13. The test will attempt the recovery of both the booster and the upper stage, using the launch tower’s “chopstick” arms to catch each vehicle after flight. Booster 22, powered by 33 Raptor engines, will undergo a “squeeze test” at catch height before launch, while the Ship upper stage will aim to complete a 26‑satellite Starlink V3 deployment and 14 Earth orbits before returning for a second catch roughly 22 hours later. Successful double‑catch would mark the inaugural full orbital‑rocket recovery and pave the way for SpaceX’s goal of thousands of Starship flights per year.

💡 A successful double‑catch would prove SpaceX’s reusable‑rocket vision, enabling rapid turnaround and the launch cadence needed for its massive Starlink V3 constellation and future deep‑space missions.