SCIENCE

Nasa fired the dormant Voyager 1's thrusters for the first time since 1980.

After saying he will be launching a car into space, Elon Musk then said he was not going to. But sources later confirmed the news that there is going to be a Tesla Roadster aboard the Falcon Heavy.

Signals of changes in Earth's gravitational field reach seismic monitoring stations minutes earlier and could make a big difference in saving lives.

Dr Christiaan Barnard performed the first ever human-to-human heart transplant on Louis Washkansky on 3 December 1967.

UK residents will breath a sigh of relief after the Met Office revealed the cold snap would easy over the weekend.

From 'alien' bacteria found on the space station, to mysterious deep space signals detected – these are the best space stories of the week.

The massive iceberg broke off from the Pine Island Glacier in September and was estimated to be the fifth largest calving event since 2000.

Between 1923 and 1927, paleontologists in China discovered several fossils near Beijing. They named it the Peking Man. But the bones disappeared in 1941 and haven't been found yet.

The Amur Leopard is listed as a critically endangered species. There are fewer than 100 individuals left in the wild.

For hundreds of years, long before the arrival of space travel, people have dreamt of reaching the moon

WASP-18b - which is 10 times more massive than Jupiter - has a choking atmosphere consisting of deadly carbon monoxide.

The first-known original Greek copy of the banned Christian writing was discovered in the Nag Hammadi Library at Oxford University by biblical scholars.

Researchers from the agency have found the factor that could have helped in maintaining subsurface water under these worlds.

Korean scientists claim to have developed a new treatment that not only prevents hair loss but also boosts the growth of new follicles.

Mark Rober, a former Nasa engineer, has already earned more than 5.7 million views for his science-based YouTube video.

The archaeological treasure trove also included skeletons of what is believed to be pterosaurs hatchlings and young adults.

The image was composed from Nasa's Chandra X-ray Observatory and a couple of ground-based telescopes.

One of the most alarming images that was taken this year shows the Larcen C ice shelf breaking off and drifting to sea.

Although we think of man as having negative impacts on wildlife, several cats species use paths to rapidly move around the rainforest.

Quantum computers - which could theoretically solve problems that even the most powerful supercomputers can't handle - are now one step closer to reality.

Supermarkets say scheme will increase production costs but will have longer-term benefits for environment.

Incredible footage of our planet shared by International Space Station commander Randy Bresnik reveals natural and man-made wonders.

A behavioural scientist outlines his top tips for dealing with truth denialism - in business, politics and every day life.

We are becoming increasingly dependent on our electronic devices. However, there is growing concern among scientists that people may be spending too much time in front of screens.

Grey cells in dogs outnumber not just small cats, they also have more brain capacity than lions, hyenas and bears.

No UK cities provide residents with the "perfect" temperature, but some European cities make the cut.

Internet becomes haven for climate-denial blogs and websites which downplay or deny existence of man-made global warming despite scientific consensus.

From athletes to rappers, many people have expressed support towards the flat-Earth theory in the past.

The only Supermoon of 2017 is slated to occur on 3 December, when the moon is expected appear closer and brighter.