Rowan Moore: the best architecture of 2015

From dumb towers to cool interventions, 2015 saw the gap widen between the big and brainless and the small and thoughtful

Observer critics’ reviews of the year in full

Laura Cumming: the best art of 2015

It was a wonderful year, as Goya’s extraordinary portraits got together, Ai Weiwei broke free and Eric Ravilious took us to the skies

Observer critics’ reviews of the year in full

Golden Globes nominations 2016: will it be a Blanchett-DiCaprio one-two?

Carol and The Revenant look like propelling their leads to awards-season glory, but Steven Spielberg has good reason to feel snubbed over Bridge of Spies

1 Undershaft, the tallest skyscraper in the City of London, revealed

Architect Eric Parry unveils plans for tallest skyscraper in the City – but the orgy of billion-pound towers doesn’t stop there

From baroque to bling: how France became king of high style

In early modern Europe, as political power shifted, one country became a leader in luxury. Now the V&A’s new galleries reveal how, through conflict and colonialism, France gained its artistic supremacy

A feminist Pirelli calendar and the rise of Donald Dump – the week in art

Pirelli has a bit of a gear change with Annie Leibovitz’s portraits. Plus a high-speed tour of Art Basel Miami Beach, and how Donald Trump the pottymouth sparked an art movement – all in your weekly art dispatch