A paper napkin that played a key role in Lionel Messi joining FC Barcelona sold at auction Friday for nearly $1 million.

A portrait of the British mathematician Alan Turing sold at auction for nearly $1.1 million on Thursday, a surprisingly large sum for a painting whose creator wasn’t an artist in the traditional ...

San Antonio Spurs star Victor Wembanyama’s rookie card was sold for a record-breaking $860,100 in an online auction held on Saturday.

A paper napkin that played a key role in Lionel Messi joining FC Barcelona sold at auction Friday for nearly $1 million. The napkin served as a sort of unofficial agreement to sign a 13-year-old ...