Earlier this year, Isaacman became the first private citizen to conduct a spacewalk. But his longstanding ties with Elon Musk's company SpaceX raise possible conflicts of interest.
A new Boston University study of 77 deceased male ice hockey players found that their chances of developing the degenerative brain disease known as CTE increased with each year they played the sport.
The nonprofit Children's Health Defense that Kennedy led has filed nearly 30 federal and state lawsuits since 2020, many challenging vaccines and public health mandates.
A study from researchers in Finland shows that people can take more than two months off from the gym and quickly regain their strength when they get back to it. Scientists cite muscle memory.
The gene-editing technique known as CRISPR is promising to revolutionize medicine. Some researchers are trying to help make it available for people with very rare genetic disorders.
Getting footage from the ground was essential for filmmaker Sahra Mani, the director of Bread & Roses. Her documentary, which profiles three women who engage in protests, is now streaming on Apple TV+.
Patient and consumer advocates fear a new Trump administration will scale back federal efforts to expand financial protections for patients and shield them from debt.