A recent flurry of executive orders and surprise actions by the Trump administration have roiled WHO, the CDC and the international public health community.

Death by heartbreak doesn't just happen in stories. In real life, severe stress can cause the sometimes-fatal takotsubo syndrome.

Samples from NASA’s OSIRIS-REx mission show the asteroid Bennu had organic molecules and minerals and possibly salty water and other life ingredients.

Casarabe people grew the nutritious crop year-round on savannas thanks to networks of drainage canals and ponds.

After decades of study, scientists sound genuinely optimistic about the possibility of detecting primordial black holes, which might explain dark matter.