In many ways, Aspen Art Week is the the art world antithesis to the equally chic Miami Art Week.

Here's what we're reading this morning.

Two works by the Mitchell sold at auction for more than $20 million last November.

John Cheim, a cofounder of the New York gallery Cheim & Read, is selling the piece from his collection.

The two artists created poetic landscapes that don't depict nature outright.

Thirty works, including an expensive Joan Mitchell, head to sale in November.

Alice Trumbull Mason, under-recognized during her lifetime, melded rhythmic forms into subtly masterful paintings in acidic and earthy hues.

Bidders from Asia drove up prices for emerging artists, and multiple records were set for artists in different stages of their careers.

Joan Mitchell is the top-grossing woman artist at auction.

A traveling retrospective opens at the San Francisco Museum of Modern Art this week.