By using a new method of crystallization, inventor Michael Graetzel says that the cells' power conversion efficiency has shot up to 15 percent, putting them on a par with traditional silicon photovoltaics.
One closely-debated theory has been that heavy metals were a byproduct of collisions between dense dead stars. Now, an event observed through NASA's Swift satellite may have provided a literal "smoking gun."
Bacteria stored in a fuel cell broke down chemicals in urine, generating enough electricity in the process to enable text messaging, Internet browsing, and "a brief phone call."
The 23-year-old space telescope may be a few years away from retirement, but its eye is still good: The newly discovered 14th moon is only 12 miles in diameter.
Scientists are growing more confident that Jupiter's moon could harbor life. The problem: Getting through its thick ice crust to the watery ocean beneath.
Expedition 36 Crew Member, astronaut Karen Nyberg, demonstrates how she washes her hair in space onboard the International Space Station.
A new Kickstarter campaign seeks $200,000 to propel a CubeSat into Earth orbit and eventually deep space using a miniature propulsion engine.
Researchers speculate that the forest, located just off the coast of Alabama, was buried under sediment for over 50,000 years before being revealed by Hurricane Katrina in 2005.
Ron Miller has painted the planets as if they were the same distance from Earth as the Moon, in order to demonstrate their size.
Debuting this week is Stella, the world's first solar-powered car big enough to seat four people. It was created by a team of Dutch university students as their entry in the upcoming World Solar Challenge.
Ron Miller's illustrations deal with the consequences of man's actions as well as the kind of destruction that might be in store for our planet long after humans, and all life on Earth, is gone.
Next month, an international team of researchers will begin a five-year mission to find out more about these exploding stars and what they reveal about the age and growth of the universe.
Muhammad Ali specualtes about traveling to Mars to fight a champion boxing match in 1966.
The technology is there to capture huge amounts of energy, say industry experts, but there are some challenges to overcome, including the lack of water and the presence of dust.
At least that's the claim being made by a new study: The likelihood of a red dwarf star housing a habitable super-Earth increases significantly when cloud behavior is considered.