A key advisory group vows to base decisions on evidence, boost confidence in vaccines and protect health. Experts fear the opposite is happening.

In a small cell therapy trial, 10 out of 12 people with type 1 diabetes no longer needed supplemental insulin, even a year after treatment.

AI models such as ChatGPT consume serious power. Experts break down where that energy goes, and what you can do to help.

Algae grown under Mars-like conditions could make bioplastic building materials for structures to harbor life in space.