Biomarker found in space complicates search for life on exoplanets

A molecule once thought to be a useful marker for life as we know it has been discovered around a young star and at a comet for the first time, suggesting these ingredients are inherited during the planet-forming phase.

Rosetta's ever-changing view of a comet

ESA's Rosetta Mission ended almost a year ago this week. These 210 images reflect Rosetta’s ever-changing view of Comet 67P/Churyumov–Gerasimenko between July 2014 and September 2016.

Once Upon A Time

The short animated film "Once Upon A Time - The Amazing Adventures of Rosetta and Philae" has been nominated as Official Selection of the Science Film Festival

Philae found!

Less than a month before the end of the mission, Rosetta’s high-resolution camera has revealed the Philae lander wedged into a dark crack on Comet 67P/Churyumov–Gerasimenko.

NASA Honors Comet Science Pioneer Michael A'Hearn

NASA has posthumously awarded the Exceptional Public Service Medal to Michael A'Hearn, one of the world’s leading comet scientists. A'Hearn died May 29 at his home in University Park, Maryland at the age of 76.

Rosetta Infographic