Chagas disease is usually spread by so-called kissing bugs, which often carry a nasty parasite.
You might not see this germ-fighting duo in the next superhero blockbuster, but they work wonders in the immune system.
A new study shows that strict caps need to be placed on fossil fuel extraction to avoid the worst impacts of climate change.
Hints in the data suggest the Johnson & Johnson vaccine has the most breakthroughs, while Moderna has the least.
Here's what happens inside Simone Biles' brain when the twisties set in. And for a gymnast like her, the disorientation can be dangerous, experts say.