SCIENCE

Marty McFly arrived on Oct. 21, 2015, in "Back to the Future II," but the world is still waiting for hoverboards.

A new poll found a clear majority of U.S. residents support legalizing marijuana, another benchmark in shifting attitudes.

The startup is patching together available insurance data to help patients suffering from rare maladies find the right doctor.

More Americans die from drug overdoses every year than car crashes, the government says.

Find out the best time and viewing conditions for the meteor shower.

Spencer was admitted to the hospital almost exactly a year ago after contracting the virus in Guinea.

Scientists discovered that a common UV-filtering compound found in sunscreen is killing coral, especially in areas frequented by tourists.

Biotech companies like Satori, where Mark Findeis headed up research, reveal a nuanced portrait of innovation.

Asteroid 2015 TB145, just discovered Oct. 10, is traveling at a speed of 80,000 mph.

Shigella can cause diarrhea, fever and stomach cramps, and poses greater risks to those with weaker immune systems.

NASA astronaut Scott Kelly has spent more than 200 days in space.

El Niño is a climate change event caused by warm water in the Pacific Ocean.

Life on Earth may have begun close to the formation of the planet itself, research found.

Research into what has been dubbed an “alien megastructure” around KIC 8462852 has now begun in earnest, with SETI training the Allen Telescope Array to study the star.

"This blue planet is our only home and Tibet is its roof," the exiled Buddhist leader said Tuesday, urging leaders to frame a "meaningful” climate change agreement.

The results of the analysis indicated Central Asia, including Mongolia and Nepal, as the place “where all dogs alive today” originated.

The images of Earth are captured by a camera 1 million miles away.

The 14-year-old, who was arrested last month in Texas, was to be among 100 participants in an astronomy event Monday evening.

Sprout Pharmaceuticals' agreement with regulators will force it to focus on educating doctors and pharmacists, rather than placing ads about the drug.

A new report from NPR, published Sunday, explores the theory that Earthlings are, in fact, Martians.

It won't stick around for long -- Monday's temperatures were set to exceed 50 degrees.

U.S. researchers say they're close to developing a blood test that would allow physicians to spot early signs of Alzheimer's disease.

NASA’s Cassini spacecraft took images during its Oct. 14 flyby when the spacecraft passed 1,142 miles above Enceladus’ surface.

The brain injuries, which have affected many NFL players, are treatable, experts agreed at a league-sponsored gathering.

A measles outbreak in southeast Democratic Republic of Congo has killed at least 428 people and infected some 30,000 others since the start of this year, the U.N. said Friday.

Space travel today is just too slow, so one rocket scientist is developing technology that could send humans to Mars in a matter of weeks.

About 20 provinces have been put on high alert.

An independent review found the U.S. Food and Drug Administration's approval process to be "lax" and "permissive" just as a new bill proposes boosting the agency's purview.

Facing death, Avi Yaron created a tiny device that would allow a surgeon to see inside his brain and remove a tumor.