Today's Science News: Aviation Milestones, Drug Effects, and Cosmic Mysteries

NASA’s X-59 Jet Breaks Sound Barrier

NASA's X-59 experimental jet has successfully broken the sound barrier for the first time, marking a significant milestone in the development of quiet supersonic technology designed to minimize sonic boom effects. Read more: NASA's experimental X-59 jet breaks sound barrier for 1st time in step toward 'quiet supersonic' technology - Live Science

GLP-1 Drug Users Reduce Physical Activity

Research analyzing Fitbit data reveals that people taking popular GLP-1 weight loss medications like Ozempic and Wegovy are reducing their physical activity levels after starting treatment, raising concerns about muscle loss and long-term health outcomes. Read more: People taking GLP-1 weight loss drugs like Ozempic started moving less

Dark Energy Study Upheld

A controversial study claiming that the universe's accelerating expansion was an illusion has been refuted by researchers who identified key mistakes in the original supernova data analysis. Read more: Dark energy survives major challenge as universe keeps accelerating

Yellowstone Wolf Impact Reassessed

A reanalysis of the landmark study linking wolf recovery to Yellowstone's ecological transformation finds the original methods overstated the impact, with effects appearing smaller and more localized than previously claimed. Read more: Yellowstone wolves may not have reshaped the national park after all

Millipedes Among First Land Colonizers

A new study completing the evolutionary family tree of millipedes suggests these ancient arthropods were crawling on land nearly 460 million years ago, beating vertebrates to terrestrial life by approximately 80 million years. Read more: Millipedes beat vertebrates to land by 80 million years