Alexander Grebenkin

Person

Last mentioned: Feb 25, 2026

Timeline

  1. Release

    The crew member is discharged in good health.

  2. Splashdown

    Dragon Endeavour lands off the coast of Florida after 235 days.

  3. Hospitalization

    One crew member is admitted for an unspecified medical issue.

  4. Crew-8 Launch

    SpaceX Falcon 9 launches the crew to the ISS.

  5. Identity Revealed

    NASA confirms Alexander Grebenkin was the hospitalized crew member.

Stories mentioning Alexander Grebenkin 1

Aerospace Neutral

NASA Identifies Roscosmos Cosmonaut Grebenkin in Crew-8 Medical Incident

NASA has officially identified Roscosmos cosmonaut Alexander Grebenkin as the crew member who required hospitalization following the Crew-8 mission's return in October 2024. The disclosure concludes months of speculation regarding the health of the international crew after an unspecified medical issue led to an overnight stay in a Florida hospital.

2 sources

About Alexander Grebenkin coverage

This page surfaces every story mentioning Alexander Grebenkin across our space & defense coverage. We track each entity's appearance over time so readers can trace how the narrative evolves — which developments are isolated incidents, which build into longer arcs, and which reframe how operators in the space think about the entity. Story selection uses the same multi-source verification gate applied across the rest of our coverage.

Read our editorial methodology for how we identify, deduplicate, and score entity references. Our glossary defines the technical terms used across stories on this page, and our trends index contextualizes individual developments against the longer-running space & defense beat. Cross-entity comparisons live on our compare view.

What you seeWhat it tells you
Story countNumber of distinct stories where Alexander Grebenkin was a primary or referenced actor.
Recency clusteringWhether mentions are concentrated in a recent window (a news cycle) or distributed (a sustained arc).
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