Scientists are trying to understand how complex life emerged on Earth about 2 billion years ago. Our microbial ancestors could be the key.
NASA on Friday announced an abrupt change to its pathway to getting astronauts back on the lunar surface, opting to add in an additional crewed test flight before attempting to land.
Six planets are set to align on Saturday, creating a planetary parade that will be visible to sky-gazers across the globe.
Every single curling stone in the Winter Olympics is crafted from a special granite found only on Ailsa Craig, a small uninhabited island off the coast of Scotland.
In a cave in Romania, scientists found a bacterial strain entombed in ice that is resistant to 10 modern antibiotics. But it may also help fight superbugs.