Space
We summarize the week's scientific breakthroughs every Thursday.
- Planetary Science
Maps reveal clouds on distant exoplanet
Astronomers chart the atmosphere of Kepler-7b, some 1,000 light-years away.
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- Planetary Science
Curiosity gets the dirt on Mars
The NASA rover completes an analysis of the first soil collected from Gale Crater.
- Planetary Science
Comet belt predicted near farthest planet
Observations have confirmed the existence of the Kuiper Belt, first proposed in 1963.
- Astronomy
Last gorge for galaxy’s central black hole gauged
Relic light suggests the supermassive black hole at the Milky Way's center was millions of times more active 2 million years ago.
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- Space
Exploring Earth’s alien spaces
Nathalie Cabrol, a planetary geologist and astrobiologist at the SETI Institute’s Carl Sagan Center and NASA’s Ames Research Center, both in Mountain View, Calif., hunts for alien life.
- Cosmology
Huge Galactic Explosion
An excerpt from the October 5, 1963, issue of Science News Letter.
- Planetary Science
Mars rover fails to find methane
A dearth of the gas in the Red Planet's atmosphere disappoints scientists looking for signs of biological activity.
- Planetary Science
Cometlike crashes produce building blocks of life
Amino acids in collision residue support importance of extraterrestrial impacts.
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- Astronomy
At last, Voyager 1 slips into interstellar space
Solar blast data provides definitive evidence that Voyager 1 has cruised beyond the heliosphere and into interstellar space.
