Scientists are inching closer to creating lab made human eggs—and even sperm—from ordinary cells. A recent study marks real progress, building on animal work that already produced mice from lab-made gametes. The promise is immense, but precision and ethics will shape when this technology reaches the...

Trump’s research funding cuts threaten health, climate, and innovation. Learn what’s at risk—and how you can help fight back to save American science.

What turns brain activity into conscious experience? Learn how researchers are using neuroscience to identify when and where awareness lights up in the brain.

Introduction Climate change, deforestation, and species extinctions often seem like vast, distant forces. But our food choices, particularly when they include animals, directly drive these global challenges. The environmental impact of meat touches nearly every part of the planet, from the climate to...

Climate change is leaving many species stranded in places that no longer support them. Assisted migration may be necessary to keep them alive.

Does free will exist? If our actions are entirely determined by factors beyond our control, then what does it mean to live an authentic, self-directed life?