Some cosmic impacts are loud, fiery, and leave unmistakable craters. Others are quieter in geological terms, yet no less destructive. These “touchdown airbursts” occur when a comet or asteroid ...

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Researchers continue to expand the case for the Younger Dryas Impact hypothesis. The idea proposes that a fragmented comet smashed into the Earth’s atmosphere 12,800 years ago, causing a widespread ...

(Santa Barbara, Calif.) — Touchdown airbursts — a type of cosmic impact that may be more common than the crater-forming, dinosaur-killing kind — remain somewhat less understood. UC Santa Barbara Earth ...

Agriculture in Syria started with a bang 12,800 years ago as a fragmented comet slammed into the Earth’s atmosphere. The explosion and subsequent environmental changes forced hunter-gatherers in the ...

Astronomers have long known that powerful cosmic winds can sometimes blow through galaxies, sweeping out interstellar material and stopping future star formation. Now they have a clearer snapshot of ...

"Understanding how different asteroid materials vaporize and deflect will be critical for preparing for a planetary defense mission, should the need arise." When you purchase through links on our site ...