Rosetta measures comet’s temperature

The first temperature measurements of comet 67P/Churyumov–Gerasimenko were made between 13 and 21 July, when Rosetta…

Sahara irrigation

Amazing colours of the Sahara desert are captured in this photograph taken from onboard the International…

Galaxy gets a cosmic hair ruffling

From objects as small as Newton's apple to those as large as a galaxy, no physical…

Rub’ al Khali desert

Rolling sand dunes in the expansive Rub’ al Khali desert on the southern Arabian Peninsula are…