European Space Agency

Image: Jupiter's cratered moon, Callisto

The speckled object depicted here is Callisto, Jupiter's second largest moon. This image was taken in May 2001 by NASA's Galileo spacecraft, which studied Jupiter and its moons from 1995 until 2003.

Jan 26, 2015
4.9 / 5 (8) 1

Mysteries in Nili Fossae

These new images from the high-resolution stereo camera on ESA's Mars Express show Nili Fossae, one of the most enticing regions on Mars. This 'graben system' lies northeast of the volcanic region of Syrtis ...

Jan 26, 2015
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Image: Striking lightning from space

Lightning illuminates the area it strikes on Earth but the flash can be seen from space, too. This image was taken from 400 km above Earth in 2012 by an astronaut on the International Space Station travelling ...

Jan 27, 2015
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Image: Venus Express snaps swirling vortex

This ghostly puff of smoke is actually a mass of swirling gas and cloud at Venus' south pole, as seen by the Visible and Infrared Thermal Imaging Spectrometer (VIRTIS) aboard ESA's Venus Express spacecraft.

Jan 20, 2015
5 / 5 (15) 2

Getting to know Rosetta's comet

Rosetta is revealing its host comet as having a remarkable array of surface features and with many processes contributing to its activity, painting a complex picture of its evolution.

Jan 23, 2015
4.8 / 5 (6) 2