The heat waves moving in recent days across Canada, the U.S. and northern Europe are part of a dangerous new climate pattern.

Friday is the longest day of the year north of the equator, where the solstice marks the start of astronomical summer.

Most people have never seen the Little Dipper, because most of its stars are too dim to be seen through light-polluted skies.

As the sun rose Saturday on the longest day of the year in the Northern Hemisphere, a crowd erupted in cheers at Stonehenge ...

From Stone Age astronomy to Viking law and Roman goddesses, cultures across time have honored the longest day of the year ...

There is definitely an extension of the summer period into the shoulder months.' ...

Indian summer can be sweltering. But Mauritius, located in the southern hemisphere, is cool and breezy during May to ...

The Northern Hemisphere has reached its peak sunshine, marking the summer solstice – the longest day of the year and the official start of astronomical summer. Conversely, for those in the Southern ...

Here’s where the northern lights could be visible this weekend, the last time they were seen in Florida and how to find ...

Jane is part of a growing number of affluent Kenyans setting sail each year, following the rhythm of the seasons. As the ...

There will be three full moons during the summer. And the sky this season has a number of bright stars that form easily ...