Science archive

Weight loss is not simply a test of willpower. The human brain evolved to protect body fat during times of scarcity, and it can treat a previously higher weight as the new normal, triggering stronger hunger, cravings, and lower energy use after weight loss. This biological “memory” helps explain why...

Summary pending review.

Summary pending review.

Summary pending review.

Every spring in Palestine, Texas, the wide-open fields around NASA’s Columbia Scientific Balloon Facility fill with students and faculty from across Louisiana. They arrive carrying sensors, laptops, and carefully engineered payloads they have spent months preparing.  The goal is to send their experi...

From June 11 through July 19, NASA’s free interactive exhibit at FIFA Fan Festival™ brought space exploration to soccer fans in East Downtown Houston.   More than 500,000 visitors explored the exhibit during the tournament, learning how the agency’s missions, research, and technology benefit life on...

Scientists have identified a molecular switch that may help explain why aging makes the brain more vulnerable to diseases such as ALS and Huntington’s. In worms, the protein EPS8 builds up with age and triggers signaling that encourages toxic proteins to clump together, damaging neurons and shorteni...

The solar wind may be stripping away Mars’ atmosphere by creating giant rolling waves along its outer edge. Data from MAVEN and Tianwen-1 show that these waves form plasma clouds that carry atmospheric particles into space. The process is concentrated on one side of Mars and may have played a major...

Summary pending review.