In a reversal from previous years’ pollution reductions, the United States spewed 2.4% more heat-trapping gases from the burning of fossil fuels in 2025 than in the year before, researchers calculated ...

Limiting the Magnitude of Future Climate Change focuses on the role of the United States in the global effort to reduce greenhouse gas emissions. The book concludes that in order to ensure that all ...

Action on climate change mitigation and adaptation needs more ambition, but progress has been made — and there are some safeguards in place to protect from backsliding, as discussed by Le Quéré et al.

Objectives We systemically reviewed the literature to assess how long-term testosterone suppressing gender-affirming hormone therapy influenced lean body mass (LBM), muscular area, muscular strength ...

This year, under the inspiring theme “Every Contribution Matters,” International Volunteer Day (IVD) 2025 takes on historic significance as it marks the official global launch of the International ...

The vision of human-level machine intelligence laid out by Alan Turing in the 1950s is now a reality. Eyes unclouded by dread or hype will help us to prepare for what comes next.