15 November 2014
European Space Agency controllers will continue to listen for Philae in the days ahead, hopeful that the comet lander will somehow become active again.
Nasa's "X-ray eye", designed to study distant galaxies and black holes, has turned its attention to our own star and snapped a remarkable portrait.
Any moves to modify the concrete Los Angeles River, to return parts of it to a more natural setting or to capture water, must not compromise its flood-protection function, say scientists.
Aerial photographs from the 1940s and 1950s are being used to probe the climate history of the Antarctic Peninsula.
Astronauts on the International Space Station use a 3-D printer to make a wrench from instructions sent up in an email.
The most stunning space photos of 2014
A collection of some of the best reads from the BBC
Science and environment news highlights from 2014
Meet the insects that made Christmas
A year of incredible highs and devastating lows.
Science highlights of the year in images
A mystery still unsolved by science
Can LEDs change the way we light up the world?
The sharks, snakes and turkeys that reproduce alone
America's huge humming arches
Christmas trees can house tarantulas and turn to glass
How local residents cope with Bangladesh oil spill
Nigella Lawson creates a Christmas buffet menu inspired by a trip to Venice
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