Are you fully up to speed with your portals? No, it’s not a quiz question for Dr Who buffs. We’re talking about the online world of selling homes.

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The polls have flipped in Alaska. Murkowski is leading, but Scott McAdams may be in the best position of all.

Observations of next month's historic Venus transit may eventually help astronomers spot and study alien planets circling faraway stars, one prominent researche

A big robotic airship could ply the skies of Venus for up to a year, giving scientists an unprecedented look at Earth's hellishly hot "sister planet."

It won't exactly make Venus any more desirable as a tourist destination.

Oilman-turned-solar entrepreneur Jeremy Leggett says there's only one shot to plug the well, and getting it wrong comes with a heavy price.

There's a lot to sort out in Libya's post-Gadhafi era, but there should be good news for the American consumer.

A GMO apple won't brown when exposed to oxygen, but apple growers aren't thrilled.

The USDA is asking makers of meat, dairy and egg products to stop using "sell by" and "use by" dates and adopt a universal "best if used by" label.

Scientists say the consequences of sea-level rise could be 'horrible.'

The world's best beach resorts may disappear despite efforts to protect them against sea level rise

A new study shows that 20 percent of UNESCO World Heritage Sites are at risk, bringing to light the cultural implications of climate change.

If a small chunk of ice currently plugging the edge of an ice sheet in Antarctica were to melt, it could release massive amounts of ice into the ocean.

These are just a sample of the things we could lose if temperatures rise 5.4 degrees Fahrenheit over the next 200 years.

The 17th century New Jersey abode comes with a gazebo, 4-car garage and a couple named Harry and Doris.

Health ratings on packages could influence consumers' purchasing decisions and drive food companies to make healthier products.

Video: What was really on the menus of our ancestors?

A recent study featuring blog posts from fictitious Italian politicians found the use of swear words made candidates sound more relatable.

2,500-year-old stone slab could offer clues to deciphering the lost language and religion of the Etruscans.

Bees give us pollination and honey. Now new research suggests their hives may also help prevent hair loss.

Owner of Bluebird Hill Farm launches essay contest to give the $450,000 property away.

There are 104 nuclear power plants in the continental United States, two of which operate in quake-prone areas and others that are in need of major upgrades.

If countries continue to slow the use of nuclear power can green energy be a viable alternative, and at what cost?

A well-placed nuclear explosion could actually save humanity from a big asteroid hurtling toward Earth, just like in the movies, a new study suggests.

The technique uses GPS and radio telescopes to detect underground nuclear tests using waves that travel from the blast into the upper atmosphere.

Nuclear fusion could one day propel rockets that allow humans to go to Mars and back in 30 days

If a dangerous asteroid pops onto the radar with no time to spare, nuclear bombs may be the best way to respond.

Even a relatively small regional nuclear war could trigger global cooling, damage the ozone layer and cause droughts for more than a decade.

The aurora may hold the secret of a magnetic phenomenon related to the nuclear fusion powering the sun.

Lockheed Martin recently claimed to have designed a fusion reactor that can fit on the back of a truck. If viable, it really could change the world.

Tom Gage was one of the creators of the high-performance electric TZero, the car that inspired the Tesla Roadster. But he didn't want to be a carmaker. Instead,

Urn-believable you say? Columbia University's DeathLAB will soon find out.

Environmental group 10:10 Climate Action sees untapped potential in waste heat extracted from waterways buried beneath the British capital.

The U.N. ambassador is considered a top candidate for secretary of State, but her stock in the firm behind the Keystone XL oil pipeline has raised eyebrows.

Will Minnesota's most mystique-filled home go the way of Graceland?

Buffett's Berkshire Hathaway has agreed to acquire NV Energy, and Sen. Harry Reid wants to help.

Scientists, engineers and telecommunications officials are in the early planning stages for a seafloor fiber-optic cable that would span the Pacific Ocean, and

Scientists are searching for possible sources for life on Earth on the edge of our Solar System.

Here are five things researchers can learn about Earth by studying the dwarf planet Pluto.

The find is roughly 2 billion years older than any other known fungus fossil.

Reducing the flow of the greenhouse gases that spur global warming could prevent up to 3 million premature deaths annually.

Researchers have created a laser powerful enough to detect minute concentrations of gases in the atmosphere or in your mouth.

Scientists estimate more than 7,000 dangerous methane 'bumps' have formed in Siberia's Yamal and Gydan peninsulas over the last couple of years.

Chemists at Colorado State University think they've found a polymer that's similar to plastic and can be easily manufactured and recycled.

A new technique promises to turn plastic waste into clean, high-grade fuel.

Two inventors have built a table-sized, automated factory that can quickly manufacture pocket-sized solar panels that last longer and are cheaper than current p

A special coating could dramatically improve the percentage of energy that can be harvested from solar cells by splitting photons in two.

At the heart of an ambitious clean energy project envisioned by the Dutch is a man-made island nine times the size of Disneyland.