In one violent moment, the Cretaceous world ended. Using geological evidence, fossilized ash layers, and crater data from ...

Many people don't know what the abbreviations stand for — or how we should refer to noon and midnight.

For once, Earth isn’t the one in the crosshairs. NASA scientists have confirmed that a fast-moving asteroid first spotted by ...

Long-term projections suggest Earth will face major disasters, including asteroid impacts and super volcanic eruptions, ...