Despite Earth reaching its aphelion, the farthest point from the sun, the Northern Hemisphere is experiencing scorching heat.

Cave data shows the Arctic was permafrost-free when Earth was 4.5˚C warmer, hinting at what rising temperatures could bring.

Scientists have found evidence that the Asian continent was free of permafrost all the way to its northerly coast with the ...

Summer in the Northern Hemisphere will be shorter this year than last year by about 15 minutes, according to Timeanddate.com.

As the farthest full moon from the sun all year and one of the lowest in the sky, this year's Buck Moon is a special one ...

Because Earth moves in an elliptical orbit around the sun, being further away means it travels slower along its orbit. This ...

The blistering early-summer heatwave that’s brought life-threatening temperatures across much of the northern hemisphere is a ...

A recent study has unveiled a paradox across Eurasia: while vegetation has visibly flourished in recent decades, the ...

Mars shines in the evening, and is joined briefly by Mercury. Jupiter joins Venus as the month goes on. And all month, look ...

Stargazers may catch a cosmic light show this Fourth of July weekend when the Milky Way appears in the night sky across the ...