We look back through 50 years of archives and ask what 2015 promises for science.
Indian spacecraft enter Mars’ orbit, Rosetta lands on a comet and other space stories
Conference topics include Arctic sea ice and exciting sounds from Mars
Rosetta's ROSINA instrument looks at the water in the atmosphere on Comet 67P
Unhealthy soil is prevalent across sub-Saharan Africa
A new study looks at what is causing severe air pollution over Beijing
Philae's COSAC instrument detects organic materials on Comet 67P
Sir Paul Nurse, virologist Wendy Barclay and Nasa's Ellen Stofan on 50 years of science
Rosetta's probe Philae gets ready for the first ever comet-landing
Car crashes kill 1.2 million people each year. Could robots be better than human drivers?