The Conversation

Iran holds one of the world’s richest concentrations of historic architecture, with 29 Unesco world heritage sites spanning more than two millennia. But since joint US and Israeli airstrikes against Iran on February 28, parts of Tehran and Isfahan’s historic landscape have been harmed.

As expert in Iranian art, Katayoun Shahandeh explains, shockwaves from nearby blasts can shatter fragile tiles, crack ancient masonry and destroy interiors that cannot truly be restored. This story is part of our ongoing coverage of the US-Iran conflict.

Nasa has announced plans to have a permanent base on the moon by 2030. But as our experts explain, underlying the proposal is a deepening concern in Congress and the current administration about the challenge rival powers pose to US leadership in space.

And have we passed “peak sheep”?

Anna Walker

Senior Arts + Culture Editor

A man walks past debris scattered across the floor of Golestan Palace. UPI/Alamy Live News

Iran’s cultural heritage in the crossfire – expert explains what has been damaged and what could be lost

Katayoun Shahandeh, SOAS, University of London

When war damages historic monuments, more than architecture is lost.

A lunar base concept released by Nasa in February 2026. Nasa

Nasa plans to have a permanent base on the Moon by 2030 – how it can be done

Kevin Olsen, University of Oxford; Fiona Henderson, University of Oxford

Changes to Nasa’s Moon exploration programme may include a base on the lunar surface.

Farmers are drastically reducing their sheep flocks. EddieCloud/Shutterstock

Have we passed ‘peak sheep’?

Caroline Flanagan, Anglia Ruskin University; Harriet Wishart, Anglia Ruskin University

What is the future for Britain’s sheep? Farmers are choosing to keep fewer animals.

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