
How massive stars form
Big stars, like small ones, can form by accretion after all
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Big stars, like small ones, can form by accretion after all
The curious distribution of rocks has a simple explanation, say geophysicists
'Falling apples' may reveal new physics
Protostars prove that stars can form near a supermassive black hole
Bizarre vacuum force is repulsive, as well as attractive
The ability to predict earthquakes could save thousands of lives every year. But for most scientists, knowing in advance when and where such events will happen is little more than a pipe dream. Jon Cartwright tells the story of one physicist who believes that such warnings could soon be possible.
The International Year of Astronomy marks the 400th anniversary of the first use of an astronomical telescope by Galileo Galilei. As the 2009 celebrations kick off, Edwin Cartlidge explains how one of Galileo’s telescopes is being rebuilt by researchers in Italy, while Michael Banks looks at some of the events taking place this year
Letters becomes Feedback and now includes comments made to our online stories
The economy may be in a nosedive but there is plenty to look forward to in science this year
A periodic table with links to videos on all 118 chemical elements