The worst El Niño in recorded history is brewing — here’s how governments must prepare
From southern Africa to the Amazon, the risks are mounting and the window for action is rapidly closing.
Mercury is shrinking with age — faster than thought
Impacts by space objects have obscured some of the evidence of the planet’s contraction over the past 4.5 billion years.
Why most stars don’t have outbursts like the Sun’s
A strong magnetic field can disrupt a star’s ability to produce the fountains of matter called coronal mass ejections.
Cognitive resilience helps to predict Alzheimer’s dementia
The trait could explain why symptoms vary in severity between people with similar brain pathology.
