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 ...

Scientists have long known that the DNA code in genes is not the only way to pass genetic traits from parents to offspring. "Epigenetic" marks—chemical modifications to DNA that don't change the DNA ...

Isabella is a chronic disease reporter writing about how the Trump administration is tackling the nation’s health epidemic — or not. You can reach her on Signal at isabellacueto.03. WASHINGTON — A ...

A major review of nearly 8,000 participants found that collagen supplements can improve skin health and ease osteoarthritis symptoms, especially when taken consistently over longer periods.