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Record-Breaking Radio Waves Discovered from Ultra-Cool Star
April 30, 2012 — Astronomers have discovered flaring radio emissions from an ultra-cool star that is not much warmer than the planet Jupiter, shattering the previous record for the lowest temperature at which radio ... > full story -
Cassini Finds Saturn Moon Has Planet-Like Qualities
April 27, 2012 — Data from NASA's Cassini mission reveal Saturn's moon Phoebe has more planet-like qualities than previously thought. Scientists had their first close-up look at Phoebe when Cassini began exploring ... > full story -
Space Law Expert: Before First Asteroids Are Mined, Legal Framework Must Be Improved
April 26, 2012 — Entrepreneurs' announced venture to extract water and precious metals from asteroids has generated excitement, but it comes amid a vague legal landscape that could complicate plans for space mining, ... > full story -
Asteroids, Comets and Meteors
Near-Earth Object Impacts
Geology
Earth Science
Atmosphere
Environmental Issues
Tiny 'Spherules' Reveal Details About Earth's Asteroid Impacts
April 25, 2012 — Researchers are learning details about asteroid impacts going back to the Earth's early history by using a new method for extracting precise information from tiny "spherules" embedded in layers of ... > full story -
Splatters of Molten Rock Signal Period of Intense Asteroid Impacts on Earth
April 25, 2012 — New research reveals that the Archean era -- a formative time for early life from 3.8 billion years ago to 2.5 billion years ago -- experienced far more major asteroid impacts than had been ... > full story -
NASA's Dawn Spacecraft Reveals Secrets of Giant Asteroid Vesta
April 25, 2012 — Findings from NASA's Dawn spacecraft reveal new details about the giant asteroid Vesta, including its varied surface composition, sharp temperature changes and clues to its internal structure. The ... > full story -
Mathematics: First-Ever Image of a Flat Torus in 3-D
April 25, 2012 — Just as a terrestrial globe cannot be flattened without distorting the distances, it seemed impossible to visualize abstract mathematical objects called flat tori in ordinary three-dimensional space. ... > full story -
Asteroids, Comets and Meteors
Near-Earth Object Impacts
NASA
Space Exploration
Earth Science
Space Missions
Fireball Over California/Nevada: How Big Was It?
April 24, 2012 — A bright ball of light traveling east to west was seen over the skies of central/northern California Sunday morning, April 22. The former space rock-turned-flaming-meteor entered Earth's atmosphere ... > full story -
Extreme Gardening on Mars? European Research Project Focuses on Development of Life Support Units
April 24, 2012 — A new project is being conducted by European researchers to plant the seeds for possible gardening on Mars on day. The plan for the future will be to grow first vegetables on Earth in a closed ... > full story -
Climate
Environmental Policies
Global Warming
Environmental Issues
Resource Shortage
Environmental Policy
Climate Change May Create Price Volatility in the Corn Market
April 22, 2012 — Corn, America's No. 1 crop, could see its prime growing region shift to the Canadian border or its price volatility increase sharply within 30 years. A new study points to climate change as the ... > full story
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