A recent video created from images captured by Curiosity shows clouds tinted red and green flowing though the sky over Mars.

As night falls on the Atacama desert in northern Chile four giant telescopes turn their gaze towards the star-strewn heavens.

Contrails conjure a sense of something overwhelming and ineffable, as terrifying as it is beautiful.

While the Martian clouds may look like the kind seen in Earth’s skies, they include frozen carbon dioxide, or dry ice.

As we reported earlier, Donald Trump has suggested that Ukraine "may or may not be Russian someday" (see 8.17am post). We've been keeping an eye on reaction in Ukraine, where the comments are ...

Thanks for following our live page today. Before we go, here's a round-up of the key developments today: Speculation continues to mount over when potential peace talks between Russia and Ukraine ...

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