NASA’s aging but durable Mars rover Opportunity will make what could be a trip of no return into a deep impact crater as it tries to peer further back than ever into the Red Planet’s geologic history.

Persistence is one thing, but my guess is there is a naked porcupine running around declaring victory.  Check out these amazing photos. 

It’s a funeral fit for a superhero.  In the drizzling rain at Arlington National Cemetery, thousands of grieving patriots solemnly watch as the pallbearers – Iron Man, the Black Panther, Ben Grimm and Ms. Marvel – carry a casket draped with an American flag.

A synthetic moleculebased on one found in frog cells could potetially be used to treat brain tumors.

In many people, vitamin D levels can remain low despite abundant exposure to sunlight, research shows.

From tainted pet food to lead-painted toy trains, a string of recalled Chinese-made goods threatens to tarnish the Made in China label in the United States and intensify calls for trade protection.

It’s George Washington, Thomas Jefferson, Teddy Roosevelt and Abe Lincoln carved out of a giant block of cheese.

Brent Kovar stood before a giant movie screen in the penthouse theater of a downtown high-rise. The featured attraction was an excerpt from the movie Top Gun, with stars Tom Cruise and Anthony Edwards yelling "we have the need — the need for speed!"

New alcoholism research identifies five types of alcoholics and shows that young adults account for more than half of U.S. alcoholics.

The percentage of Americans who consider children "very important" to a successful marriage has dropped sharply since 1990, and more now cite the sharing of household chores as pivotal, according to a sweeping new survey.