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.
Thirty nations meeting in Berlin have pledged $9.3bn (£6bn) for a fund to help developing countries cut emissions and prepare for climate change.
The way geckos climb has inspired a device that allowed a 70kg man to scale a glass wall like Spider-Man.
A British-led consortium outlines its plans to land a robotic probe, paid for by public donations, on the Moon in 10 years' time.
17 November 2014
Can nuclear fusion become a reality within 10 years? Our environment correspondent Matt McGrath analyses the quest for abundant, cheap, carbon-free energy.
16 October 2014
Nigeria, unlike other Ebola-stricken countries, is succeeding in wiping out the disease through rigorous monitoring, the BBC's David Shukman reports.
Five things that can stop us sleeping
How 30 years has changed living with the virus
What are the next steps in comet landing mission?
Space agency plans Mars mission with plastic bricks
A strangely accurate book of anatomy from 1543
Is it OK to leave objects on the Moon?
Huge robots slog it out in Australia's outback
Can nuclear fusion become a reality within 10 years?
Can Rosetta mission price tag be justified?
Why seals have sex with penguins
Dr Chris Lintott's take on ups and downs of comet landing
What terrifying Bornean beast ate eight children?
The biological passport was test that couldn't be fooled, so why are athletes still doping? BBC Sport
What's behind US climate deal with China
Meet the medical motorbike couriers battling infant HIV in Malawi
Illuminating the crystalline structure of matter
Story of Bletchley Park's top female codebreaker
Tatler editor Kate Reardon is tasked to create an unusual royal feature
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