We'll need to wait 1,500 years before alien contact becomes likely, scientists say

While some might take the total absence of contact from aliens as a rather bleak sign that our search for extraterrestrial life is all in vain, a new study explains why we shouldn't give up hope just yet – we just need to exercise a little patience.

Light-matter interplay probed: Physicists achieve quantum Hall state with light

Harnessing the shared wave nature of light and matter, researchers have used light to explore some of the most intriguing questions in the quantum mechanics of materials.

Global ethane concentrations rising again, says study

Global emissions of ethane, an air pollutant and greenhouse gas, are on the uptick again, according to a new study. The air samples for the study were collected from more than 40 sites around the world.

New Planet Is Largest Discovered That Orbits Two Suns

If you cast your eyes toward the constellation Cygnus, you'll be looking in the direction of the largest planet yet discovered around a double-star system.

New supercomputer: The fast and the serious

You will need 40,000 laptops if you want to match the speed and processing power of Africa's newest and fastest computer.

Is Particle Physics About to Crack Wide Open?

Hints of an unexpected new particle could be confirmed within day. And if it is, the Standard Model could be going down

Dark Matter May Be Made Up of Black Holes

Now, some astronomers are beginning to think that dark matter is actually made up of ancient black holes formed during the first second of our universe's existence.

Milky Way now hidden from one-third of humanity

The Milky Way, the brilliant river of stars that has dominated the night sky and human imaginations since time immemorial, is but a faded memory to one third of humanity according to a new global atlas of light pollution.

Climate change mitigation: Turning carbon dioxide into rock

The study has shown for the first time that the greenhouse gas carbon dioxide can be permanently and rapidly locked away from the atmosphere, by injecting it into volcanic bedrock. The carbon dioxide reacts with the surrounding rock, forming environmentally benign minerals.

World's First Passenger Drone to Begin Testing

The electric Ehang 184 drone gets a shot at regulatory approval in Nevada.

Apple is launching a new company to sell surplus solar energy in California and Nevada |

Apple is starting a new company to sell surplus solar energy generated at its Cupertino headquarters as well as its Nevada solar farm.

This subterranean hydropower plant hidden in the Swiss alps will power 1 million homes

A new hydropower station tucked deep below a Swiss alpine peak will eventually ramp up to generate enough electricity for one million households.

For the first time, air pollution emerges as a leading risk factor for stroke worldwide

Air pollution -- including environmental and household air pollution -- has emerged as a leading risk factor for stroke worldwide, associated with about a third of the global burden of stroke in 2013, according to a new study.

Vienna Will Be Home To World's Tallest Wooden Building

The tallest wooden building in the world is under construction in Vienna. It will be 276 feet tall and save 2,800 metric tons of carbon dioxide compared to a concrete building.