asteroids

  • Asteroid barrage warmed young Earth

    Giant impacts may have topped up the planet’s atmosphere.

    An artistic illustration showing how the early Earth might have looked under bombardment, with circular impact featur...

    Earth Sciences June 28, 2016
  • Opal found in Antarctic meteorite

    Planetary scientists show, for the first time, the gemstone in a chunk of asteroid. Belinda Smith...

    An image of a narrow opal rim surrounding a bright metallic mineral inclusion in a meteorite found in Antarctica. The...

    Space June 27, 2016
  • Asteroids, not comets, delivered most water to the Moon

    ‘Dirty snowballs’ ferried less than 20% of lunar water – carbonaceous chondrites did the bulk of ...

    An artist’s illustration of what the lunar magma ocean may have looked like shortly after the formation of the Moon.N...

    Space June 1, 2016
  • Russian missiles to blow asteroids to bits

    A few tweaks to intercontinental ballistic missiles in time for a close flyby of asteroid Apophis...

    With nearly 13,000 asteroids hurling around our part of the Solar System, one will hit us eventually. Will we be read...

    Space February 22, 2016
  • Where Pluto fits in the family of 'not-planets'

    Emily Lakdawalla at The Planetary Society website has lost no time dropping in the best-resolution image available fr...

    Space July 15, 2015
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