hydrogen

Experts are banking on solar and hydrogen fuel as the future of green energy, but it might not be an easy ride.

Mark Halpern and his team are in a race against time to study dark energy's role in the expansion of our universe.

The vessel is a converted multi-hull race boat powered by solar panels, wind turbines, and a hydrogen fuel cell system.

Riversimple is looking for investment to bring its Rasa car to the public—but while you can invest, you can't buy.

NASA's Cassini orbiter sent back the first images from its daring flyby.

And we might be able to find such life right here on Earth—hypothetically, of course.

Carbon and hydrogen could be a lot more desirable than methane.

The First Amendment Area was a good 800 yards from the courthouse, an imposing cage of chicken-wire and dangling zip-cuffs.

A peculiar mineral might be the solution for catalysts turning landfill gas to hydrogen.

It's by far the longest gas trail ever discovered, and it weighs more than the Milky Way and Andromeda combined.

'Cosmos' didn't mention this mysterious radio signal in last night's episode, but it's still our best shot for an intergalactic chat sesh. For now.

Can anything beat oil?