The Sunspot Number, the longest scientific experiment still ongoing, is a crucial tool used to study the solar dynamo, space weather and climate change. It has now been recalibrated and shows a ...

BUFFALO, N.Y. -- University at Buffalo scientists working with ice cores have solved a mystery surrounding sunspots and their effect on climate that has puzzled scientists since they began studying ...

You know what they say about a leopard not changing its spots, but when it comes to our sun, change is all but guaranteed. In fact new research suggests the sun may be on the verge of changing its ...

PLANET-wide heating and cooling of the atmosphere during the 11-year sunspot cycle has been measured for the first time. Climate-change sceptics may seize on the findings as evidence that the sun’s ...