
Building blocks of life like glycine, other amino acids form in interstellar clouds: Study
This is in sharp contrast to beliefs that glycine formation required energy, setting limits to the environment in which it can be formed.

Goodbye Philae: Year-long silence later, ESA severs link with comet probe
The decision to cut the link to Philae was taken to save energy on mothership Rosetta.

Results from comet lander Philae's experiments expected today
A first evaluation of the data that comet lander Philae sent to the European Space Center before its depleted batteries forced it to go silent will be released on Monday.

Comet-lander Philae sends plenty of data, but its batteries run out
The pioneering lander Philae completed its primary mission of exploring the comet's surface and returned plenty of data before depleted batteries forced it to go silent.

Photos: How ESA's Philae lander reached comet 67P
The European Space Agency has achieved a historic first — landing a washing machine-sized spacecraft on a comet speeding through our solar system at 41,000 mph (66,000 kph).