To celebrate its 100 year anniversary, Tesco is reducing hundreds of products. What's on offer, and are there good deals to be found?
Tesco and WWF are aiming to reduce the environmental impact of the average UK shopping by 50% by 2022. How, and what are other supermarkets doing?
Food waste costs £20 billion per year in the UK, but the Food Waste Reduction Roadmap is designed to reduce this by half by 2030. What is it, who supports it, and what can you do?
Supermarkets will no longer offer price guarantees after Asda announced plans to end the money-saving scheme on 3 October after eight years. Asda, which is currently set to merge with Sainsbury's, was the first and last supermarket in the UK to offer the pledge - which promises to keep prices lower or equal to its competitor.
From student discounts to savvy supermarket shopping, we’ve cherry-picked our favourite money-saving tips to help you stretch that student loan.
Find out how supermarkets encourage us to spend more when we shop, from special offer signs to shelf layouts and subtle distraction techniques
We've investigated just how much plastic supermarkets use, and reveal what you can do to reduce your plastic footprint
Concerns over potential listeria contamination have forced six UK supermarkets to recall a range of products with immediate effect. Making up the list of supermarkets involved with the move are...
As Sainsburys and Asda reveal a potential merger, Which? takes a look at how these supermarkets perform in price comparison and customer satisfaction surveys.
Big-name retailers including Iceland, Aldi and Morrisons were misinforming or failing to provide clear information to customers about their online returns and refunds rights, our latest investigation has discovered.