Seafood fraud remains rampant in the U.S., according to a new investigation by Oceana, with one in five samples mislabeled.

Research finds a bad diet to be the biggest risk for early death worldwide.

Fuel-cell advocates are none too happy about Department of Energy Secretary Steven Chu’s abrupt decision earlier this month to cancel $100 million in hydrogen

Iceland is carving a niche in the hydrogen fuel market with a new program called Sustainable Marine and Road Transport–Hydrogen.

The New Clermont seeks to recreate Fulton's 1807 journey from New York City to Albany in a new-fangled steamboat and demonstrate hydrogen's potential. But their

The LA show, opening this week, features some intriguing green concept cars...headed for production. Are you ready for a compact hybrid Lexus, a 170-mpg VW and

The Artificial Inorganic Leaf (AIL) may unlock the secrets to producing cheap, clean hydrogen by mimicking the photosynthetic structure of the leaf.

Hype builds around Bloom Energy's flagship solid oxide fuel cell -- a cleaner, greener 'power plant in a box.'

A Penn State lab has found a way to make hydrogen fuel from wastewater and seawater with no emissions. So why aren't we doing this?

The technology would pack a lot of energy into a small space and allow laptops and iPhones to run for weeks without refueling.

A team of experts say the deadly explosion was caused by a buildup of static electricity after flying through a thunderstorm.

Big hydrogen power plants like the one just installed in Bridgeport, Conn., can complement a fleet of fuel-cell cars.

Hyundai provided its ix35 fuel-cell car as part of a unique and sustainable city garden in London.

Hyundai's hydrogen-powered Tucson has 265 miles of range, 3-minute fills, and free fuel if you sign a lease now.

Automakers are finally rolling out the high-tech zero-emission vehicles they've been working on for 30 years.

Artificial photosynthesis could produce the perfect clean fuel to run everything.

On the evening of Nov. 21, upwards of 400 meteors per hour may light up the night sky.

There's a supermassive black hole behind the 'baby boom' in the Phoenix galaxy cluster.

'Tis the season of giving, and this December night sky is saving some of its biggest gifts for last.

The unusually close trifecta of black holes will likely merge into one giant entity over the next several hundred million years.

Hoag's Object, a celestial doughnut that features a galaxy within a galaxy, is a beautiful enigma of the cosmos.

19 newly discovered dwarf galaxies are missing dark matter.

NASA's Parker Solar Probe is exploring the sun's scorching outer atmosphere.

We chat with astrotourism specialist Valerie Stimac, and author of 'Dark Skies,' about the best places to gaze into the beauty of the heavens.

Scientists say C/2019 Q4 is a comet from another galaxy.

Researchers have found a rocky planet, GJ 1252 b, that's just 66.5 light-years away and it's zipping around a red dwarf star.

The start of the new decade ushers in a celestial medley of stargazing events to look forward to.

Scientists are studying new data from the Hubble telescope showing that planets with the density of cotton candy exist and they're called Super-Puffs.

The Quadrantids will peak Jan. 4 with good viewing opportunities in North America.

From a wolf moon eclipse to multiple SpaceX Starlink launches, here's what not to miss in the January 2020 night sky.

NASA's Planet Hunter, TESS, discovered its first potentially habitable Earth-sized planet called TOI 700 d, located 100 light-years away.

'Hidden Gems' calendar is offered as a free download to commemorate the stunning accomplishments of the famed space telescope.

A new high-resolution image reveals the center of our galaxy as never seen before.

Astrophotographer Andrew McCarthy created this gorgeous color composite picture of the moon from more than 100,000 photographs.

Scientists discovered the oldest known material on the Earth's surface while studying a meteorite that landed in Australia 50 years ago.

What caused the planets to neatly divide into terrestrial and gas giants? Scientists believe they now have the answer.

The collision between these stars in 2083 will be impossible to miss.

Researchers studying the mysterious objects say the look like blobs of gas but behave like stars.

NASA's latest red planet rover look for signs of ancient life as it paves the way for human exploration.

From the first supermoon of the year to the return of the zodiacal light, these are the best skywatching moments for February 2020.

The sounds the sun makes would not be music to human ears.

A mysterious radio signal from deep space appears to be repeating every 16 days.

NASA astronaut Christina Koch returned to Earth after spending 328 days in space.

NASA has released 'astonishing' results from the first up-close flyby of a Kuiper Belt space rock.

Using images from its Lunar Reconnaissance Orbiter spacecraft, NASA reveals the moon's 'dark side' in 4K as observed by the Apollo 13 astronauts.

Astronomers have found a mini-moon called 2020 CD3 in Earth's orbit, but it won't be around for very much longer.

Get ready to spring forward, get up early and catch some beautiful sights in the March sky like the Crow Moon, the occultation and vernal equinox.

The exoplanets discovered by astronomy student Michelle Kunimoto include one potentially habitable, Earth-sized world.

To find life on Mars, we may have to send probes and people into this hole.

A 2012 study of homes in L.A. shows just how menacing stuff can be: "Many find their accumulated possessions exhausting to contemplate, organize, and clean."