Billions of years ago, Mars was warmer and wetter than today, perhaps because volcanoes belched enough carbon dioxide to ...

The United States spent roughly US$12 billion on global health in 2024. Without that yearly spending, roughly 25 million ...

As the administration of President Donald Trump continues its campaign to reshape the US government with spending cuts and ...

Henry Sila Nzioki has developed a weed-killing fungus to improve food security. “I’m a plant pathologist at the Kenya ...

Study finds dozens of journals that have hiked their fees and started churning out papers after being acquired by small, recently formed companies.