Some of the world's most advanced AI systems struggle to tell the time and work out dates on calendars, a study suggests.
When major storms hit Houston last spring and summer, losing power was a nightmare for residents, but for many, the financial fallout was just as devastating....
Astronomers have revealed new evidence that there are not just one but four tiny planets circling around Barnard's Star, the second-nearest star system to Earth.
Cloudy areas over oceans are reflecting less sunlight to space than before.