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Topps' space-themed Chrome set is back. 2026 Topps Cosmic Chrome Baseball releases Wednesday, November 4th, with cosmic Refractors, a Mars Attacks crossover and this year's top rookies.
Hobby Box Breakdown
- Configuration: 20 packs per box, 4 cards per pack
- Guaranteed: one Nucleus Refractor per box
- Autographs: not guaranteed in every box. Reports put them at roughly one every three boxes
- Refractors: numbered parallels from /299 down to SuperFractor 1/1
New in 2026
- Mars Attacks MLB, a crossover with the cult-classic Topps brand
- Cosmic Dust and Forces of the Diamond inserts
- Magenta Cosmos parallels numbered to 299
- Cosmic Explorers Cut Signatures, reportedly including Albert Einstein and Neil Armstrong
- Planetary Pursuit returns
Rookies to Watch
Roman Anthony, Munetaka Murakami, Konnor Griffin, Kevin McGonigle, JJ Wetherholt and Jac Caglianone are among the names collectors are chasing.
Cosmic Chrome FAQ
When does 2026 Topps Cosmic Chrome Baseball come out?
Wednesday, November 4th, 2026.
Are autographs guaranteed in Cosmic Chrome?
No. Hobby boxes guarantee a Nucleus Refractor, but autographs fall at random.
How many packs are in a hobby box?
20 packs of 4 cards.
Cosmic Chrome at Card Pop
Ask about 2026 Cosmic Chrome at 1114 W Jefferson St. and 2543 Plainfield Rd. (Route 30), serving Joliet, Plainfield and Will County.
Official details: Topps Cosmic Chrome Baseball on Topps.com