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Seismic images show dinosaur-killing meteor made bigger splash
The most detailed three-dimensional seismic images yet of the Chicxulub crater, a mostly submerged and buried impact crater on the Mexico coast, may modify a theory explaining the extinction of 70 percent of life on Earth 65 million years ago. view more (2008-01-24)
Study plunges standard theory of cosmology into crisis
As modern cosmologists rely more and more on the ominous "dark matter" to explain otherwise inexplicable observations, much effort has gone into the detection of this mysterious substance in the last two decades, yet no direct proof could be found that it actually exists. view more (2009-05-06)
Arctic land and seas account for up to 25 percent of world's carbon sink
In a new study in the journal Ecological Monographs, ecologists estimate that Arctic lands and oceans are responsible for up to 25 percent of the global net sink of atmospheric carbon dioxide. view more (2009-10-15)
Astronomers find grains of sand around distant stars
In a find that sheds light on how Earth-like planets may form, astronomers this week reported finding the first evidence of small, sandy particles orbiting a newborn solar system at about the same distance as the Earth orbits the sun. The report will be published online this week by the journal Nature. view more (2008-03-13)
Scientific breakthrough will help protect astronauts and spacecraft
A breakthrough by a team of British, US and French scientists will help protect astronauts, spacecraft and satellites from radiation hazards experienced in space. view more (2005-09-08)
How to deflect an asteroid
STRANGE as it may seem, averting Armageddon isn`t the top priority for most asteroid hunters. They`d be happy just to know where the rock that could wipe out life on Earth will come from. But an astronomer in Italy thinks he can save the world-with space-based missiles. By the end of the decade,... view more... (2002-02-13)
New Models of Weather Pattern
For a mathematician, Joseph Biello spends a lot of time thinking about the weather. But the UC Davis assistant professor isn't looking out the office window. He is using mathematical theory to build a model of the Madden-Julian Oscillation, a tropical weather pattern that influences drought and rainfall in the western U.S. view more (2005-12-12)
Mathematicians find way to improve medical scans
Mathematicians at the University of Liverpool have found that it is possible to gain full control of sound waves which could lead to improved medical scans, for technology such as ultra sound machines. view more (2008-01-08)
Earth's strongest winds wouldn't even be a breeze on these planets
Earth's inhabitants are used to temperatures that vary, sometimes greatly, between day and night. New measurements for three planets outside our solar system indicate their temperatures remain fairly constant - and blazing hot - from day to night, even though it is likely one side of each planet always faces its sun and the other is in permanent... view more... (2007-01-10)
Follow Rosetta's final Earth boost
ESA's comet chaser Rosetta will swing by Earth for the last time on 13 November to pick up energy and begin the final leg of its 10-year journey to comet 67P/Churyumov-Gerasimenko. ESA's European Space Operations Centre will host a media briefing on that day. view more (2009-11-05)
Rocks could reveal secrets of life on Earth - and Mars
A new UK project could help detect evidence for life on Mars, as well as improve our understanding of how it evolved on Earth. The aim is to develop a technique that can identify biomolecules in water that have been trapped in rocks for millions to billions of years. As well as analysing samples from Earth, the proposed technique could be used... view more... (2003-10-09)
Euclid returns to maths lessons
Knowing how a mathematical theory developed improves a pupil's understanding of it. This is the conclusion of Dutch researcher Iris van Gulik, who investigated how the history of mathematics can help pupils to learn this subject. view more (2005-12-20)
Preparing for the Venus Express
The European Space Agency is planning its first mission to unveil the mysteries of Earth`s cloud-shrouded sister planet, Venus. On Wednesday 10 April, Professor Fred Taylor (University of Oxford) will be explaining to the UK National Astronomy Meeting why European scientists are hoping to be on board the Venus Express in 2005. Venus, the Earth`s... view more... (2002-04-03)
Boston university researchers develop new model of ice volume change based on Earth's orbit
Through dated geological records scientists have known for decades that variations in the Earth's orbit around the sun — subtle changes in the distance between the two — control ice ages. view more (2006-06-23)
Physicists and engineers search for new dimension
The universe as we currently know it is made up of three dimensions of space and one of time, but researchers in the Department of Physics and the Department of Electrical and Computer Engineering at Virginia Tech are exploring the possibility of an extra dimension. view more (2008-03-11)
Princeton scientists say Einstein's theory applies beyond the solar system
A team led by Princeton University scientists has tested Albert Einstein's theory of general relativity to see if it holds true at cosmic scales. And, after two years of analyzing astronomical data, the scientists have concluded that Einstein's theory, which describes the interplay between gravity, space and time, works as well in vast distances... view more... (2010-03-15)
Mars With Ice, Shaken, Not Stirred
Mars, like Earth, is a climate-fickle water planet. The main difference, of course, is that water on the frigid Red Planet is rarely liquid, preferring to spend almost all of its time traveling the world as a gas or churning up the surface as ice. view more (2007-10-26)
Star on a Hubble diet
How heavy can a star be? This conundrum has haunted astronomers for decades. Theory indicates that there should be an upper stellar mass limit somewhere between 120 and 300 solar masses. Even though heavy stars are very bright, measurements of their masses can be complicated. view more (2006-12-12)
FSU researchers determine a critical factor in workings of proteins
Scientists know that a better understanding of how proteins bond could lead to more effective treatments for genetic disorders and other life-threatening conditions. view more (2007-02-15)
New theory for mass extinctions
A new theory on just what causes Earth's worst mass extinctions may help settle the endless scientific dust-up on the matter. view more (2006-10-25)
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