The hunt for Planet 9: How we'll find the most mysterious object in the Solar System

The hunt for Planet 9

Beyond Neptune, a few small worlds are moving in harmony. Is a huge ninth planet pulling them around?

Eco-cities

With overpopulation and climate change taking their toll on our cities, engineers and urban planners are dreaming up some innovative ways to live.

Shock therapy

Does electroconvulsive therapy offer a life-saving treatment?

Plus

• Richard Dawkins chats about faith, flat-Earthers and Facebook.
• Should we stop having kids to save the planet?

Issue 340 on sale 4 September 2019

Subscribe to BBC Science Focus Magazine

Don’t forget that BBC Science Focus is also available on all major digital platforms. We have versions for Android, Kindle Fire and Kindle e-reader, as well as an iOS app for the iPad and iPhone.

Follow Science Focus on Twitter, Facebook, Instagram and Flipboard