YR4 has a one per cent chance of hitting Earth in December 2032. The European Space Agency is closely monitoring the minor planet. Although the asteroid's composition is not yet known, it is estimated ...
Based on the current pledges of countries for limiting their emissions of greenhouse gases, global temperatures are projected to reach 2.7 degrees Celsius beyond pre-industrial levels by the end of ...
Sixty-six million years ago, at the end of the Cretaceous Period, an asteroid impact near the Yucat n Peninsula of Mexico triggered the extinction of all known non-bird dinosaurs. But for the early ...