When the International Space Station plunges to its fiery doom in 2030, its loss to science will be incalculable, even if it remains an open question as to whether its successes matched humanity's ...
A new study warns that halting biodiversity loss by 2030 is essential to keep Earth’s life-support systems stable.
The Apophis asteroid, once feared to hit Earth, is less than three years from making an unprecedented approach toward Earth.