The company is working on an “external propulsion” spaceplane that separates energy from propellant. Instead of volatile liquid or solid rocket fuel, the craft runs on pressurized hydrogen.

Buried deep in the Antarctic ice, an observatory has spotted ghostly, nearly massless particles coming from inside the galaxy and points beyond the Milky Way.

The Cassini mission to Saturn returns its final close-up images of the gas giant's Dione moon.

July was the hottest month in history, and the first seven months of the year were also the warmest since modern record-keeping began.

Scientists in the US finds a way to take carbon dioxide (CO2) from the air and make carbon nanofibres, a valuable manufacturing material.

A new study of American dog fossils at Brown University finds that climate change and consequential shifts in habitat turned native dogs from being an ambush predator to relentless trackers and pouncers like wolves.

People were treated to beautiful photos of Pluto’s surface when Nasa flew a spacecraft by Pluto for the first time in history last month on July 14, but unfortunately, there was no video of the dwarf planet's flyby -- until now!

According to a new study, our system was once home to a fifth gas giant that suddenly vanished some 4 billion years ago after a run-in with Neptune.

A planet 100 light-years away resembles an infant version of Jupiter, astronomers say.

Climate change is increasing the risk of severe 'food shocks' where crops fail and prices of staples rise rapidly around the world.

Flexible computer screens, long-living batteries, and lightening fast microcomputers are just a few examples of the countless potential applications of graphene — one of the world's thinnest, yet strongest, materials ever synthesized, reports Business Insider.

A trio of scientists says they've identified the best place to look for evidence of ancient life on Mars — one of the youngest lake-bearing basins ever discovered.

Transparent solar is based on a fact about light that is taught in elementary school, sun transmits energy in the form of invisible ultraviolet and infrared light, as well as visible light.

Great news for new Google boss Sundar Pichai, and good news too for India - his appointment makes him the latest Indian to earn a massively high-profile job in the US technology industry.

Giant rocks stacked in seemingly gravity-defying poses could indicate that earthquakes on the San Andreas Fault can jump to another major fault in Southern California, which in turn could affect the severity of quakes in the region and how the state prepares for future temblors.

NASA astronauts have eaten food grown in space for the first time in history, reports Vox.com.

There is an increased risk of a future major earthquake in an area that straddles the west of Nepal and India, scientists warn.

A study of global fish populations suggests fast-growth fish species are more vulnerable to population collapses than previously thought.

A super-dense neutron star some 4,400 light-years away is not shy about showing off its strength, reports Huffington Post.

NASA's Mars rover Curiosity snaps some beautiful photos of a blue-tinged sunset on the Red Planet.