Astronomers use bubbles to look for WIMPs

Invisible, imperceptible and yet far more common than ordinary matter, dark matter makes up an astounding 85 percent of the universe's mass. Physicists are slowly but steadily tracking down the nature of this unidentified ...

Event displays in particle physics

Subatomic particles are far too tiny to see, so over the years physicists have devised ingenious ways to detect and visualise them, often forming beautiful patterns and pictures in the process. From early experiments with ...

Looking for dark matter a mile underground

For the past two years, a small bubble chamber has been on the lookout for dark-matter particles a mile underground at SNOLAB in Sudbury, Ontario. Now that experiment is about to get company – its big brother is moving ...

Scientists move closer to predicting volcano hazard

UK and Russian scientists say they are a step closer to predicting how dangerous a volcano is after developing a method that lets them figure out how individual volcanoes are 'plumbed'.