The BBC brings you all the week's science news.
The growing conflict between access to fresh water, food production and energy generation
How a changing climate is affecting the spread and behaviour of infectious diseases
New figures for the amount of plastic entering the worlds' oceans
New insights into the complexity of chimpanzee language
Viruses living in the gut may have a role in inflammatory bowel disease
The latest understanding of Comet 67P from Rosetta’s instruments
NASA's New Horizons probe gets set to examine Pluto after a 9 year trip
A new antibiotic that can kill drug-resistant infections has been found
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?
Nobel Laureate-led team develop microscopy methods to film cell activity.
What the Interface Region Imaging Spectrograph (IRIS) satellite can tell us about the sun
The 2014 Nobel Prizes for Physiology or Medicine, Physics and Chemistry are announced
The origin of the HIV pandemic has been traced to the 1920s in the city of Kinshasa
India is the first Asian country to successfully place a satellite into Mars' orbit
US Space Agency is back in the astronaut transport business
Tectonic plates made of ice are found on Jupiter’s moon Europa
Super massive dinosaur species discovered in southern Argentina
Genetic sequencing of Ebola virus holds clues to origins of latest outbreak
Intense seismic activity leads to increased risk of Bárðarbunga volcano erupting