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“Earth”

Oct 1, 2014 01:00 PM ET // Ian O'Neill
The moon's largest mare, called Oceanus Procellarum, was thought to have been formed by a massive impact crater, but gravitational data from a NASA mission suggests otherwise. Continue reading →
Sep 17, 2014 10:00 AM ET // Mike Wall, Space.com
Exoplanet hunters have just made it easier to identify alien Venuses, in the hopes that doing so will lead to the discovery of more alien Earths.
Sep 4, 2014 05:46 PM ET // Ian O'Neill
On Sunday (Sept. 7), a house-sized interplanetary interloper will fly past Earth at a distance of only 20,000 miles -- that's one-tenth of the distance from the Earth to the moon. Continue reading →
Aug 11, 2014 08:40 AM ET // Discovery News
Astronomers call the event a perigee full moon, as perigee means near Earth.
Jul 30, 2014 02:45 PM ET // Charles Q. Choi, SPACE.com
Asteroids and comets that repeatedly smashed into the early Earth covered the planet's surface with molten rock during its earliest days, but still may have left oases of water that could have supported the evolution of life, scientists say.
Jul 29, 2014 05:35 AM ET
We love it, we live on it, we breathe it deeply, but what the heck is air, and how did where did it come from?
Jul 14, 2014 07:00 PM ET // Discovery News
On July 12, the moon may have seemed slightly brighter to the casual observer. This is how the 'supermoon' appeared around the globe.
Jul 11, 2014 06:50 PM ET // Tanya Lewis, LiveScience
You might want to step outside tomorrow night (July 12), when a bulging supermoon will rise in the evening sky.
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