Artificial lighting has been causing springtime to come early, with trees bursting into leaf a week earlier in areas with more light pollution, scientists...
A woman has died after collapsing while hiking and mountain biking during a record-breaking heatwave in Phoenix.
Fire officials said the 28-year-old started biking with...
Flash floods triggered by torrential rains have killed at least 45 people in north-west Pakistan.
Rains started overnight on Saturday and caused flash flooding in...
