What if Earth lost its oxygen? The science behind Earth's oxygen loss and its impact on life
Earth will lose its oxygen, making it uninhabitable for life forms that depend on oxygen. The planet will become methane-rich ...
NASA Gives ‘All Clear’ for Asteroid That Seemed to Threaten Earth
The odds that the space rock, 2024 YR4, will smash into our planet in 2032 have dropped to nearly zero, leading astronomers to conclude that we are no longer in danger.