Carbon and nitrogen are central to life on Earth – life cannot exist without them, but an overabundance in the atmosphere imperils the life we have. So how much carbon and nitrogen is there on (and in) planet Earth? And ...
Earth Sciences
Nov 29, 2016
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14
NASA has selected United Launch Services LLC of Centennial, Colorado, to provide launch services for a mission that will address high-priority science goals for the agency's Journey to Mars.
Space Exploration
Aug 26, 2016
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2
Not long ago, my colleagues and I found some micrometeorites in the Pilbara region in Western Australia. What's truly remarkable about them is that these tiny meteorites can tell us a great deal about the chemistry of Earth's ...
Earth Sciences
May 13, 2016
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13
Using the oldest fossil micrometeorites - space dust - ever found, Monash University-led research has made a surprising discovery about the chemistry of Earth's atmosphere 2.7 billion years ago.
Earth Sciences
May 11, 2016
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51
Algae may hold the key to feeding the world's burgeoning population. Don't worry; no one is going to make you eat them. But because they are more efficient than most plants at taking in carbon dioxide from the air, algae ...
Biotechnology
May 10, 2016
1
376
By examining rocks at the bottom of ancient oceans, an international group of researchers have revealed that arsenic concentrations in the oceans have varied greatly over time. But also that in the very early oceans, arsenic ...
Earth Sciences
Dec 4, 2015
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614
When it comes to finding the right kind of planet to target in the search for life elsewhere in the universe, the size of the planet matters.
Space Exploration
Jan 6, 2015
1
38
Today's atmosphere likely bears little trace of its primordial self: Geochemical evidence suggests that Earth's atmosphere may have been completely obliterated at least twice since its formation more than 4 billion years ...
Space Exploration
Dec 2, 2014
3
0
A new study has revealed details about the composition of Earth's atmosphere during the Archean eon, which lasted from around 4 billion years ago to 2.4 billion years ago.
Earth Sciences
Sep 3, 2014
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2
(Phys.org) —Eighth graders didn't have Facebook or Twitter to share news back then, in January 2004. Bekah Sosland, 14 at the time, learned about a NASA rover landing on Mars when the bouncing-ball video on the next morning's ...
Space Exploration
Jan 6, 2014
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