NASA's Curiosity rover spots strange, colorful clouds on Mars

What's the biggest freshwater fish in the world?

117 staffers sue over Houston hospital’s vaccine mandate, saying they don’t want to be ‘guinea pigs’ - The lawsuit could test whether employers can require vaccinations as the country navigates out of a pandemic that has killed nearly 600,000 people in the U.S.

Nepal Covid Crisis Worsens as Workers Pay the Price