Topps experimented with a variety of baseball card alternatives and innovations in the '60s and '70s, some of which are very valuable today.

Collectors reacted strongly when the PSA grading scandal of 2026 broke in December 2025. A Pokémon collector submitted around 30 identical modern cards that mostly returned as PSA 9 grades. He ...

Editor's note: second of two parts; read part one here.. In the first part of our series, we described how PSA is used as a screening tool to help detect prostate cancer in men who don't have symptoms ...

The 1970 Topps Football set is special not only because of some of the big names, but also because it’s one of the toughest sets of cards to find in good condition. As the first post-merger NFL ...

Man, Michael Jordan PSA 10 cards straight-up owned eBay in 2025. They were the most searched, most talked-about, and highest-selling cards out there; no one else even came close. Collectors went ...

In real-world patients with mHSPC, a PSA cutoff of 0.2 ng/mL after 6 to 12 months of intensified hormone therapy predicts survival outcomes. An absolute PSA level of 0.2 ng/mL or more at 6 to 12 ...