Artist's impression of a magnetar. Magnetars are the cosmic objects with the strongest magnetic fields ever measured in the Universe.

Dozens of mini earthquakes have struck near a 11,000-foot-tall volcano in Alaska that experts fear is 'moving closer to an eruption.' The Alaska Volcano Observatory (AVO) has detected 30 ...

Multiple earthquakes have hit near Alaska's Mount Spurr that scientists warn is gearing up for an eruption. The US Geological Survey (USGS) detected at least a dozen tremors within 30 miles of ...

When these magnetic fields become unstable, they can release the filaments in a violent eruption. Jake Foster, astronomer at the Royal Observatory Greenwich, told MailOnline: 'Loops of hot ...