Argon was lost from Mars' atmosphere in a process called 'sputtering'.
Fang blennies are beautiful tropical fish that have a unique strategy to escape danger.
Watch Elon Musk attempt to make history with launch of the world's first reusable rocket.
The thesis is described as being as wacky as claims that aliens built the pyramids.
Engineers have worked out how to precisely measure the distance between Earth and a satellite in orbit.
Comparisons of fossil skulls with modern birds and crocodilians showed that the tyrannosaur probably had a very sensitive face.
The body of an Indonesian man was discovered inside a reticulated python.
Brisbane and Gold coast witnessed heavy rains and winds up to 115km/hr on Thursday.
The asteroid nicknamed Bee-Zed has so far managed to avoid a collision.
The toy is 1,000 years old and suggests its owners were not so poor.
Landscape and animal photos by award winners and finalists in the world's biggest photography competition.
New Shepard looks vastly different from SpaceX's Dragon capsule.
This launch will mark the first time SpaceX has attempted to reuse one of its rockets.
A spokeswoman insisted that 'no words or phrases have been banned'.
The finding suggests that Neanderthals had aesthetic awareness involving a sense of consistency and regularity.
International trade redistributes pollution across global regions as consumption is separated from production.
Until now, the city of Ucetia was only known by name and by a few isolated mosaic fragments.
The bubonic plague reached Genoa in the summer of 1347.
Ina is the result of an eruption 3.5 billion years ago.
The calls of several whale species not known in New Zealand were captured there for the first time.
Footage from camera traps showed at least six new cubs walking around among a group of Indochinese tigers.
Trilobites and shellfish were among the first to evolve a hard skeleton.
The elephants became stuck in a mud hole inside the Keo Seima Wildlife Sanctuary.
Huge amounts of sediment and carbon were flushed through rivers in a matter of hours and days.
Lagos is expected to face 100 times more heat stress by 2050.
The discovery was made by the Spanish Archaeological Mission at Qubbet el-Hawa.
Company insiders say Musk wants to help cure brain disease before offering brain power upgrades.
The category 4 storm has already crossed Whitsunday Islands, Proserpine, Bowen, Mackay and Hayman Islands.
Australian Government Bureau of Meteorology predicts winds potentially reaching 250km.
Former colliery sites have become increasingly important places for wildlife.