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Finding All Asteroid Threats to Human Populations: NASA Announces Asteroid Grand Challenge
NASA has announced a Grand
Challenge focused on finding
all asteroid threats to
human populations and
knowing what to do about
... > full story
Cassini Probe to Take Photo of Earth from Deep Space
NASA's Cassini spacecraft,
now exploring Saturn, will
take a picture of our home
planet from a distance of
hundreds of millions of
miles on July 19. NASA is
... > full story
'Cold Snap' 116 Million Years Ago Triggered Marine Ecosystem Crisis
A "cold snap" 116 million
years ago triggered a
similar marine ecosystem
crisis to the ones witnessed
in the past as a result of
... > full story
Noble Gases Hitch a Ride on Hydrous Minerals
The six noble gases do not
normally dissolve into
minerals, leaving earth
scientists to wonder how
they are recycled back into
the Earth. Now, researchers
... > full story
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Water in Earth's Crust and Upper Mantle May Not Lubricate Plate Tectonics as Much as Previously Assumed
June 12, 2013 — Water in olivin mineral reveals less important ... > full story -
Marks on Martian Dunes May Be Tracks of Dry-Ice Sleds
June 11, 2013 — NASA research indicates hunks of frozen carbon dioxide -- dry ice -- may glide down some Martian sand dunes on cushions of gas similar to miniature hovercraft, plowing furrows as they go. Researchers ... > full story -
Moon Radiation Findings May Reduce Health Risks to Astronauts
June 11, 2013 — Space scientists report that data gathered by NASA's Lunar Reconnaissance Orbiter show lighter materials like plastics provide effective shielding against the radiation hazards faced by astronauts ... > full story -
Martian Clay Contains Chemical Implicated in the Origin of Life, Astrobiologists Find
June 10, 2013 — Researchers have discovered high concentrations of boron in a Martian meteorite. When present in its oxidized form (borate), boron may have played a key role in the formation of RNA, one of the ... > full story -
Scientists Discover New Family of Quasicrystals
June 10, 2013 — Scientists have discovered a new family of rare-earth quasicrystals using an algorithm they developed to help pinpoint them. Their research resulted in finding the only known magnetic rare earth ... > full story -
New Theory Proposes Solution to Long-Running Debate as to How Stable the Earth System Is
June 10, 2013 — Researchers have proposed an answer to the long-running debate as to how stable the Earth system is. Earth, with its core-driven magnetic field, oceans of liquid water, dynamic climate and abundant ... > full story -
Radar Movies Highlight Asteroid 1998 QE2 and Its Moon
June 7, 2013 — Scientists working with NASA's 230-foot-wide (70-meter) Deep Space Network antenna at Goldstone, Calif., have released a second, longer, more refined movie clip of asteroid 1998 QE2 and its moon. The ... > full story -
Astronomers Gear Up to Discover Earth-Like Planets
June 6, 2013 — Dust clouds around stars are thought to hide many undiscovered planets with conditions suitable for life, but observations have been hampered by the fact that only the brightest such clouds can be ... > full story -
2011 Draconid Meteor Shower Deposited a Ton of Meteoritic Material on Earth
June 6, 2013 — About a ton of material coming from comet 21P/Giacobini-Zinner was deposited in the Earth's atmosphere on October 8th and 9th, 2011 during one of the most intense showers of shooting starts in the ... > full story -
'Dust Trap' Around Young Star Solves Long-Standing Planet Formation Mystery
June 6, 2013 — Astronomers have imaged a region around a young star where dust particles can grow by clumping together. This is the first time that such a dust trap has been clearly observed and modeled. It solves ... > full story
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