New computer-developed map shows more extensive valley network on Mars
Space & Earth / Space Exploration
Nov 23, 2009 |
4.4 / 5 (9) |
1
(PhysOrg.com) -- New research adds to the growing body of evidence suggesting the Red Planet once had an ocean.
Climate experts debate strategies for reducing atmospheric carbon and future warming
Nov 25, 2009 |
2.7 / 5 (15) |
26
(PhysOrg.com) -- Reducing carbon dioxide to safe levels may require extracting carbon from the air, says Cornell climate researcher.
Scientists observe super-massive black holes using Keck Observatory in Hawaii
Dec 10, 2009 |
5 / 5 (8) |
3
An international team of scientists has observed four super-massive black holes at the center of galaxies, which may provide new information on how these central black hole systems operate. Their findings ...
New pictures reveal rich Antarctic marine life in area of rapid climate change
Dec 17, 2009 |
4.4 / 5 (9) |
0
(PhysOrg.com) -- New photographs of ice fish, octopus, sea pigs, giant sea spiders, rare rays and beautiful basket stars that live in Antarctica’s continental shelf seas are revealed this week by the British ...
Supernova explosions stay in shape
Dec 17, 2009 |
4.9 / 5 (8) |
1
At a very early age, children learn how to classify objects according to their shape. Now, new research suggests studying the shape of the aftermath of supernovas may allow astronomers to do the same.
Lightning-produced radiation a potential health concern for air travelers
Space & Earth / Earth Sciences
Dec 07, 2009 |
3.8 / 5 (10) |
7
New information about lightning-emitted X-rays, gamma rays and high-energy electrons during thunderstorms is prompting scientists to raise concerns about the potential for airline passengers and crews to be ...
Colliding auroras produce an explosion of light
Space & Earth / Space Exploration
Dec 17, 2009 |
4.8 / 5 (8) |
0
(PhysOrg.com) -- A network of cameras deployed around the Arctic in support of NASA's THEMIS mission has made a startling discovery about the Northern Lights. Sometimes, vast curtains of aurora borealis collide, ...
Climate scientists underwhelmed by Copenhagen Accord
Dec 20, 2009 |
3.2 / 5 (12) |
10
Top climate scientists said Saturday that the eleventh-hour political deal hammered out at UN talks in Copenhagen falls perilously short of what is needed to stave off catastrophic global warming.
Virgin Galactic unveils commercial spaceship
Space & Earth / Space Exploration
Dec 07, 2009 |
4.6 / 5 (8) |
2
SpaceShipTwo (SS2) and its mothership, VMS Eve (WhiteKnightTwo) herald a new era in commercial space flight with daily space tourism flights set to commence from Spaceport America in New Mexico after test ...
Magnetic Power Revealed in Gamma-Ray Burst Jet
Dec 09, 2009 |
4.1 / 5 (9) |
8
(PhysOrg.com) -- A specialized camera on a telescope operated by U.K. astronomers from Liverpool has made the first measurement of magnetic fields in the afterglow of a gamma-ray burst (GRB). The result is ...
Portions of Arctic coastline eroding, no end in sight, says new study
Space & Earth / Earth Sciences
Dec 14, 2009 |
4.1 / 5 (9) |
4
The northern coastline of Alaska midway between Point Barrow and Prudhoe Bay is eroding by up to one-third the length of a football field annually because of a "triple whammy" of declining sea ice, warming ...
Inside the dark heart of the Eagle
Dec 16, 2009 |
4.6 / 5 (8) |
1
(PhysOrg.com) -- Herschel has peered inside an unseen stellar nursery and revealed surprising amounts of activity. Some 700 newly-forming stars are estimated to be crowded into filaments of dust stretching ...
Gravestones Talking through Time
Space & Earth / Earth Sciences
Dec 08, 2009 |
4.4 / 5 (8) |
0
(PhysOrg.com) -- A visit to your local graveyard can provide not only a history lesson, but a science lesson as well. Historians know that gravestones can reflect the lives of people whose memories are lost ...
Ethanol results in higher ozone concentrations than gasoline, researchers say
Dec 14, 2009 |
4.4 / 5 (8) |
4
(PhysOrg.com) -- Ethanol, often promoted as a clean-burning, renewable fuel that could help wean the nation from oil, would likely worsen health problems caused by ozone, compared with gasoline, especially ...
Tremors between slip events: More evidence of great quake danger to Seattle
Space & Earth / Earth Sciences
Dec 15, 2009 |
4.4 / 5 (8) |
0
(PhysOrg.com) -- For most of a decade, scientists have documented unfelt and slow-moving seismic events, called episodic tremor and slip, showing up in regular cycles under the Olympic Peninsula of Washington state and Vancouver ...
