It’s been one year after Mexico’s government announced the creation of 20 new protected areas, covering roughly 2.3 million hectares (5.7 million acres). But the country’s environment ministry, ...

O ne of Earth’s seven quasi-moons has just got a new name: Asteroid 2004 GU9 is now known as Cardea, one of the Roman deities of doors and thresholds with a particular focus on hinges.

The second visit of asteroid Apophis in 2036, also on April 13, heralds the coming of the Messiah and the beginning of a new ...