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Latest NASA Astrobiology Institute Stories

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2005-06-03 17:50:00

NASA -- Research funded partly by NASA has confirmed the existence of liquid water on the Earth's surface more than 4 billion years ago. Scientists have found that the Earth had formed patterns of crust formation, erosion and sediment recycling as early as 4.35 billion years ago. Their findings came during a study of zircon crystals formed during the earliest period of Earth's history, the Hadean Eon (4.5 billion to 4.0 billion years ago). "NASA is interested in how early the Earth had...

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2005-05-16 07:05:00

At a recent meeting of the NASA Astrobiology Institute, molecular evolutionist Mitch Sogin explained why his research focuses not on plants and animals, but rather on microbial life. Astrobiology Magazine -- Every two years, researchers from the NASA Astrobiology Institute (NAI) gather to discuss their work. The most recent meeting, NAI 2005, was held in Boulder, Colorado, in April 2005. Mitch Sogin, who heads the NAI's Marine Biological Laboratory team, is a molecular evolutionist. He...

2003-02-06 06:00:00

By: Astrobiology News staff writer NASA Astrobiology Institute -- When the crescent moon is just a sliver each month, the phrase--'old moon in the young moon's arms'-- poetically describes a marvel of nature. When the crescent moon is just a sliver each month, the phrase--'old moon in the young moon's arms'-- poetically describes a marvel of nature. This marvel shows the shadow of the Earth reflecting back the largely blue light from the Earth, known as earthshine. As recently presented...


Word of the Day
tessitura
  • The prevailing range of a vocal or instrumental part, within which most of the tones lie.
This word is Italian in origin and comes from the Latin 'textura,' web, structure.