Crossovers are in, but they're dropping weight, pushing fuel economy and adding hybrid drives.

$2.50 a gallon gas makes a compelling case for crossovers and big fuel hogs.

But a new University of Michigan poll reveals huge gender gaps in car knowledge.

Study shows fuel efficiency hasn't changed much since 1923, but emissions are way down.

Mars and back on a tank of fuel? Ion drive could revolutionize space travel.

Going for the guzzlers when oil prices are cyclical simply isn't smart.

The search for signs of life in a mysterious star system hypothesized to potentially harbor an "alien megastructure" is now underway.

Ingredients for Life Were Always Present on Earth, Comet Suggests

This time of year, it seems like pumpkin-flavored options are available for pretty much everything. But is all this pumpkin healthy?

Look up into the sky this week to see why autumn is the favorite season for many skywatchers.

Astronomers have used instruments on board SOFIA, the world's largest airborne observatory, to examine a planet beyond solar system.

Astronomers have found what may be the oldest stars in the Milky Way.

New Dwarf Planet In Our Solar System May Be The Farthest One Yet

Honeybees Sweetened Life for Stone Age Humans

The chiton is a marine mollusk built like a tiny tank can see with eyes made of the same material as its armor.

Scientists have created a kind of cyborg flower: living roses with tiny electronic circuits threaded through their vascular systems.

Astronomers think dark matter forms fine-grained but incredibly long streams throughout the universe.

Examining the eyes is an easy way for doctors to have a look at blood vessels' health.

SpaceX may try to make history with its next launch later this month, returning its rocket to a landing pad rather than an ocean-based platform.

Electromagnetic hypersensitivity may be an ill of the modern age or just a sign of a different condition.

Infant and adult morality rates both dropped in 2014 though overall life expectancy held steady.

Noticing the galaxy was a lucky catch by the Hubble telescope.

Researchers will likely never know what happened to the crew of the Catalina PBY-5.

Poor health, and not unhappiness, was the true cause of early death, the researchers said.

Serious expressions were the rage a century ago, but shifts in society changed things.

Drought could kill vast swaths of forests around the world if global warming isn't contained, new research suggests.

On Dec. 21, the top half of the planet faces away from the sun, leaving the North Pole in complete darkness.

The InSight lander is equipped to study the Red Planet's interior in unprecedented detail.

The glass plates depict solar and lunar eclipses, comets, and even views of binary stars.

A black hole's epic "burp" may help solve one of the deep mysteries of the galactic core.

All you need to avoid lower back pain is a steady exercise program and a bit of education.

Video: Assignment Earth explains why residents and government authorities are determined to clean up and revive the Gowanus Canal.

Fern Cave hosts a wealth of species, including the largest colony in the world of endangered gray bats and many other species.

Video: Watch and learn how to make a delicious apricot chicken.

Once isolated to the Central Valley, the hybrid tumbleweed Salsola ryanii is making moves — and fast.

The FDA is investigating potentially regulating added caffeine.

About 16 percent of hot sauces tested from Mexico and South America had lead in them. If you’re concerned about the lead in your hot sauce, try making your own.

The FDA said that the pain reliever can cause rashes, blisters and widespread damage to the skin's surface in rare cases.

While cigarette sales are slumping, sales for cigars have more than doubled in the last decade.

Testing for food safety brings to light many frightening food infractions; even an innocent-seeming pizza can be suspect.

Almost 600 dogs have died and thousands more have fallen ill in an outbreak linked to jerky treats made in China.

The FDA is taking steps to determine if artificial trans fats should be removed from all foods and possibly save 7,000 lives a year.

The use-at-home device that treats migraines with a pulse of magnetic energy has shown significant promise in clinical trials.

The Food and Drug Administration is launching its first national campaign to prevent and reduce smoking among young people.

Azodicarbonamide is a chemical that's used in foam rubber products, but in the U.S., it can also be found in breads.

The Environmental Working Group’s food database turns up nearly 500 supermarket foods that contain azodicarbonamide.

Funding for many fresh fruits and vegetables increased with the new guidelines, but white potatoes have been excluded. Why?

Jerky dog treats made in China have been linked to 1,000 dog deaths and illness in three people.

The FDA issued a statement, and then a clarification about that statement, about aging cheese on wood. What does it mean?

Even if the FDA knows something is harmful, it seems no one can make them do anything about it.