Dr Martin Tajmar says "Our test campaign cannot confirm or refute the claims of the EmDrive."
A dense layer of ivy covers the houses in the abandoned fishing village on a Chinese island.
Chimpanzees in Budongo forest are eating and drinking from clay pits.
Only one male of the species still remains, but he is too old to reproduce.
Sad facts about the species being pushed to extinction
The world's largest radio telescope is now under construction in Pingtang
Grunsfield said: 'We are on the cusp of being able to answer [whether we are alone or not]'
The conditions have remained consistent enough that they haven't needed to change.
Former Queensland premier reveals emergency plan that went all the way to the Whitehouse.
Baka pygmies grow at a standard rate other than for the first two years of their lives.
A female giant panda called Jia Jia broke the Guinness World Record for the oldest panda ever in captivity
Nasa recently delivered super high-definition cameras to the International Space Station.
Magnetic field record from minerals from Iron Age settlement discovered in South Africa.
UFO enthusiasts were quick to claim this was evidence of aliens landing on Earth.
The messages on the stones are yet to be decyphered.
Vikings raids provided opportunity to be noticed by peers and superiors, study says.
One of the oldest human fossils ever found in Europe unearthed in Arago Cave near Perpignan in France.
An analysis of their bones suggest starvation as the most likely cause of death.
Theropod dinosaurs had unique, deeply serrated teeth that made them excellent predators.
The rocket will be a crucial element in space missions to Mars and beyond.
The house was no bigger than a modern day squash court
The animals are the descendants of a small number of wallabies that escaped a nearby zoo in the 1970s.
Odontobatrachus natator found to be five separate species of tooth frog.
However, more than 90% of Europeans, Japanese and North Americans are aware of it.
Risk of compound coastal flooding events increased significantly over past century for many coastal US cities.
Daily Overview publishes an image of the Earth where human activity has shaped the landscape every day.
The flowing hydrocarbon glaciers point to an active planet.
Bank of America, General Motors, Cargill, Wal-Mart Stores, Coca-Cola and PepsiCo will also contribute.
Delta Aquarids meteor shower will peak from 28 to 31 July 2015
The new study uses a feedback loop in oceans to support the claim.