Research proposes new theories about nature of Earth’s iron
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Research proposes new theories about nature of Earth’s iron

New research challenges the prevailing theory that the unique nature of Earth’s iron was the…

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Heavy Metal: Comet-driven megafauna extinction?
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Heavy Metal: Comet-driven megafauna extinction?

Roughly 13,000 years ago, large ice-age mammals known as megafauna — horses, camels, mammoths, mastodons and…

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Getting to Know Meteors Better
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Getting to Know Meteors Better

Four years ago, a brilliant fireball streaked across the dawn sky over Russia, then fractured…

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Getting to Know Meteors Better
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Getting to Know Meteors Better

Four years ago, a brilliant fireball streaked across the dawn sky over Russia, then fractured…

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From rocks in Colorado, evidence of a ‘chaotic solar system’
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From rocks in Colorado, evidence of a ‘chaotic solar system’

Plumbing a 90 million-year-old layer cake of sedimentary rock in Colorado, a team of scientists…

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First Nuclear Explosion Helps Test Theory of Moon’s Formation
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First Nuclear Explosion Helps Test Theory of Moon’s Formation

Decades-old radioactive glass found blanketing the ground after the first nuclear test bomb explosion is…

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NASA, FEMA Hold Asteroid Emergency Planning Exercise
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NASA, FEMA Hold Asteroid Emergency Planning Exercise

NASA, FEMA Hold Asteroid Emergency Planning Exercise NASA Planetary Defense Officer Lindley Johnson was among…

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Summer fireworks on Rosetta’s comet
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Summer fireworks on Rosetta’s comet

“As any given outburst is short-lived and only captured in one image, we can’t tell…

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Copernicus Sentinel-1A satellite hit by space particle
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Copernicus Sentinel-1A satellite hit by space particle

Before and after: fragment impact in space ESA engineers have discovered that a solar panel…

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What Happens Underground When a Missile or Meteor Hits
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What Happens Underground When a Missile or Meteor Hits

When a missile or meteor strikes the earth, the havoc above ground is obvious, but…

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