Each year, thousands of cities around the world recognize Earth Hour by having landmarks go dark and asking residents to turn off their lights. Earth Hour, an event that encourages participation in ...

Astronomers have discovered a distant planet that has offered them a rare glimpse of what our planet may look like 8 billion years in the future. The planet, called KMT-2020-BLG-0414 and located 4,000 ...

Narrated by actor Laura Carmichael, this six-part documentary series charts the planet’s most spectacular events of migration, rebirth and transformation. Over the course of a turbulent year, we ...