The latest black hole discovery opens a whole new universe of not-so-big black holes.

A binary star system that got too close to our resident supermassive black hole paid the ultimate price.

Through November, customers can redeem specially marked bottles of Finlandia vodka to donate a tree planting in honor of themselves, friends or family through T

Video: Larry Schweiger, president and chief executive Officer of the National Wildlife Federation, talks with Rachel Maddow about the extent of damage to Gulf c

Former oilman T. Boone Pickens talks about the need to get off foreign oil and the recent spill in the Gulf Coast.

BP’s oil spill could hamper the domestic oil industry -- but that doesn’t mean we’ll use less oil.

Louisiana Gov. Jindal puts up Flickr album of gruesome oil creeping into Louisiana wetlands.

Something seems fishy ... when asked about poor response to the disaster, the head of the Louisiana Coast Guard said: 'I'm just slow and dumb.'

Why are government officials still blocking journalists from documenting the Gulf oil spill? What are they hiding, and why is Obama letting it happen?

But like those civilizations that have disappeared mysteriously, ours seems headed in the same direction —disaster.

Are gas prices making you want to pull your hair out? CNN's Ali Velshi explains why we're to blame for high gas prices.

No, a state senator cannot single-handedly take down Big Oil. That only happens in Frank Capra movies. In real life, the petroleum giants always get their way.

A new proposal would expand offshore drilling in U.S. waters, but it's drawing fire from supporters as well as critics of the oil and gas industry.

Rather than achieving energy independence through a mix of renewables and fossil fuel, the Republican team is betting heavily on new oil drilling. The big probl

By 2030, America could surpass Saudi Arabia in terms of crude output. That's great for energy independence, but it's not all good news.

From Texas and Colorado through the Midwest, South and East Coast, tornadoes are tearing through the U.S.

Amid an uproar from some conservatives, the Obama administration will delay an industry-funded effort to promote real Christmas trees over plastic replicas.

Schools don’t have to discard textbooks with the old food pyramid in them. They can supplement what they have with free material about MyPlate from the USDA.

Officials will offer money to owners of environmentally sensitive farmland if they idle it in a conservation program instead of growing crops.

The MyPlate icon is starting to pop on food packaging. What are the USDA’s rules for companies that want to use it, and does its appearance on a package imply

America does not grow enough fruits and vegetables to satisfy USDA recommendations for all citizens. This infograhic makes the argument easy to understand.

Looking for plant hardiness zones? This useful map shows which plants you can grow in your garden based on temperatures in your area.

In the second Healthy Lunchtime Challenge kids enter their best original lunch recipes for a chance to attend the Kids’ State Dinner.

The Non-GMO Project received USDA approval to label meat from animals fed a diet that didn’t contain genetically modified ingredients as Non-GMO.

Don’t know the difference between cage-free and free-range, natural and organic? This will help.

A request for a USDA Process Verified label for its non-GMO product has raised questions. Here are some answers.

USDA and EPA aim to cut food waste in half. But how will they get that food to the hungry?

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.

The new USDA label for "bioengineered food" doesn't answer basic questions that some shoppers will have about genetically modified foods.

U.S. Cattlemen's Association has filed a petition to USDA arguing that lab-grown and plant-based meat startups shouldn't be able to call their products meat.

USDA releases final rules for GMOs in our food, but they call them bioengineered foods instead. Here's what you need to know.

It may take less of an increase in global temperatures to melt the ice sheet covering Greenland than thought, new research suggests.

As the Arctic warms, meltwater lakes on the Greenland ice sheet are draining to sea more frequently — potentially lubricating the slide of the ice sheet into

On Aug. 8, the Greenland ice sheet shattered a seasonal record, with more cumulative melting since record-keeping began more than three decades ago, new researc

Pine Island Glacier holds back part of the massive West Antarctic Ice Sheet, whose thinning ice is contributing to sea level rise.

The melting was part of an annual summer thaw, typical in size and timing for the season.

Could the plight of one Kiribati family foreshadow a future inundated with climate-change castaways?

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

The catastrophic collapse of the massive West Antarctic Ice Sheet is underway.

Antarctica's melting glaciers launched so many icebergs into the ocean 14,600 years ago that sea level rose 6.5 feet in just 100 years.

Increased sea ice drift forces polar bears to expend more energy walking on a fast-moving 'treadmill' of sea ice.

Geologists say they have found a range of volcanoes beneath the ice of Antarctica that rival those of east Africa and North America.

While rising sea levels ultimately influence the entire planet, they pose the greatest threat to the islands sitting at sea level.

Antarctica ice loss was only contributing 0.2 millimeters per year to sea level rise, but that number has jumped to 0.6 millimeters since 2012.

According to World Bank data, many countries are losing a sizable percentage of land mass due to various factors, including sea level rise and severe weather.

We know sea levels will rise, and by just looking at the Southeast region, it's easier to see how sea level rise will affect wildlife and culture.

Stone Age villages on the Orkney Islands are older than Stonehenge, but archaeologists fear that they won't be around for much longer.

'Inception' star and self-described hippie at heart names her first child Marcel.

Actress says that her heart has tripled in size. The great green Hollywood baby boom of 2011 has come to an end — with celebrities like Natalie Portman, Alici

A newly published study finds that there may be dangerous levels of arsenic in some baby formulas.