What if life is a contagious, interplanetary disease?

New research tracks a rocky, interstellar object’s ability to transport life to another planet. By Passant Rabie – Around 4 billion years ago, Earth was under attack. The planet’s surface was bombarded by asteroid after asteroid and a whole host of other interstellar …

Is the world running out of fresh water?

Increasing temperatures and populations threaten a precious element and pose a serious problem. What can we do about protecting our most vital resource? By Tim Smedley – The next time you open a can of soft drink, consider where the water inside it …