China’s Tianwen-2 spacecraft, which lifted off on 29 May 2025, is on course to attempt a touch-and-go sample grab from near-Earth asteroid (469219) Kamoʻoalewa this month. If the maneuver succeeds, ...
Thousands of tons of cosmic dust, like this micrometeorite pictured above, land on Earth every year. (Nicola ...
From the air we breathe to the food we eat, we are constantly exposed to thousands of chemicals—yet how these exposures affect our health has remained surprisingly difficult to understand. A new study ...