Image: Space station view of rare noctilucent clouds

Expedition 47 Flight Engineer Tim Peake of the European Space Agency photographed rare, high-altitude noctilucent or "night shining" clouds from the International Space Station on May 29, 2016.

A close up look at how bacteria make ice

(Phys.org)—A combined team of researchers from Germany and the U.S. has taken a closer look at a type of bacteria that is able to cause ice to form, sometimes even under conditions above the normal freezing point.

Into the belly of a glacier

Dropping into an ice cave is like entering another world: There's no wind, no ambient sound, and no discernible smell—unless you're eating a peanut butter sandwich; then the scent tends to overwhelm the cold, dark space. ...

What are the 'nacreous clouds' lighting up the winter skies?

People in the polar regions of the world, such as Scandinavia and Canada, sometimes get to watch majestic, rainbow-coloured clouds drift across an otherwise grey winter sky. Over the past few days, observers from across the ...

What causes ice formation on aircrafts during flight?

Markus Schremb and Daniel Kintea of the TU Darmstadt are carrying out research into causes of ice formation on aircraft during flight. Their experiments and realistic mathematical models are aimed at the minimization of risk ...

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