Image: Slim crescent of Enceladus

The low angle of sunlight along the slim crescent of Saturn's moon Enceladus (313 miles or 504 kilometers across) highlights the many fractures and furrows on its icy surface.

'Switchable' smart windows reduce energy consumption significantly

Smart windows that act as blinds in the summer and let all the sunlight through in the winter. That's the idea of the reflective windows Hitesh Khandelwal developed during his doctoral research at TU/e, that are able to reflect ...

Image: Saturn's hexagonal polar jet stream

Saturn's hexagonal polar jet stream is the shining feature of almost every view of the north polar region of Saturn. The region, in shadow for the first part of the Cassini mission, now enjoys full sunlight, which enables ...

Artificial leaf as mini-factory for drugs

Using sunlight to make chemical products has long been a dream of chemical engineers. The problem is that the available sunlight generates too little energy to kick off reactions. However, nature is able to do this. Antenna ...

Image: In daylight on Saturn's night side

NASA's Cassini spacecraft looks down at the rings of Saturn from above the planet's nightside. The darkened globe of Saturn is seen here at lower right, along with the shadow it casts across the rings.

Image: Frosted dunes on Mars

Sand dunes cover much of this terrain, which has large boulders lying on flat areas between the dunes.

Image: Pluto's blue atmosphere in the infrared

This image from NASA's New Horizons spacecraft is the first look at Pluto's atmosphere in infrared wavelengths, and the first image of the atmosphere made with data from the New Horizons Ralph/Linear Etalon Imaging Spectral ...

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