The central mass of a brain tumour is relatively straightforward for surgeons to remove — but identifying the full extent of tissue to safely remove presents a bigger challenge, as it may involve ...

During a brief but dramatic chapter in Earth's history about 41,000 years ago, the planet’s magnetic field nearly collapsed. What followed was a cascade of environmental and biological changes that ...

"The unprecedented Event Horizon Telescope observations are allowing us to answer long-standing questions about how black holes consume matter." When you purchase through links on our site, we may ...