Rosetta flight director says Philae ready for release

The first sign of trouble from Europe’s Schiaparelli lander came around the time the probe was supposed to jettison its parachute and fire thrusters to brake for touchdown on the vast equatorial plains of Mars, officials said Thursday.

A mission proposed by a British-led science team to investigate the atmospheres of planets around other stars has been selected by the European Space Agency for launch in the late 2020s, officials announced this week.

The possibility that water and organic molecules were brought to the early Earth through cometary impacts has long been the subject of important debate. Now, ingredients crucial for the origin of life on Earth, including the simple amino acid glycine and phosphorus — key components of DNA and cell membranes — have been discovered at Comet 67P/Churyumov-Gerasimenko.