SCIENCE

Hannah Kerner, executive director of the Space Frontier Foundation, describes the monumental challenges of commercial space exploration.

Sending humans to the red planet would involve crossing three "thresholds," the space agency said, in a new report. NASA aims to establish "Earth independent" habitats on Mars as early as the 2030s.

Scientists warned Thursday that climate change and weather patterns could cause another global coral bleaching with huge negative consequences.

Scientists estimated the hazy conditions that started last month would extend into November.

Food sustainability was important but did not belong in the guidelines, the administration said.

The global rise in meat consumption and pet ownership, especially among emerging nations, has major implications for pharmaceutical companies.

Our DNA is damaged each day by UV radiation and other substances. But a host of molecular systems continuously monitor and repair DNA, keeping our genetic material intact.

The first private company to land on the moon will win $20 million.

The High Court of Australia ruled that the BRCA1 gene -- which acts as a tumor suppressor and can increase risk of breast and ovarian cancer, if mutated -- is not a "patentable invention."

Experts say the Nobel prize for Dr. Tu Youyou breaks a psychological barrier, but systemic challenges remain.

Takaaki Kajita and Arthur B. McDonald were awarded the Nobel Prize for experiments that demonstrated neutrino oscillations, a discovery that proved that the subatomic particles were not without mass.

A team of researchers has found that animal populations in the exclusion zone around the ill-fated power plant are now much higher than they were before the accident in 1986.

The new study found that 200 of the world's 6,355 frog species went extinct between the 1960s and 1990s.

If the global warming trend continues, the fires seen in recent years may become even more extensive and catastrophic.

Biotech company Spark Therapeutics plans to apply for FDA approval in 2016.

"The consequences in terms of improved human health and reduced suffering are immeasurable," the Nobel Committee said.

Some areas already inundated could get four additional inches of rain Monday.

The U.S. National Weather Service issued flash-flood warnings for areas in South Carolina, as President Barack Obama declared a state of emergency there.

A design for a 3D-printed pressurized shell of multi-layered ice -- named the "Mars Ice House" -- has won the top prize in NASA's Mars Habitat contest.

The SpaceX CEO clarified his earlier comments, where he said that the fastest way to make the red planet livable was "to drop thermonuclear weapons over the poles."

The latest set of photos from the spacecraft show a complex surface shaped by a violent history, and covered in mountains, canyons and craters.

The plan would allow the world's No. 3 polluter to see emission levels rise over time, but at a rate slower than they would under "business as usual."

Even though forecasters downgraded potential damage, memories of Superstorm Sandy's destruction -- and economic impact -- had U.S. states taking precautions anyway.

The storm, which was upgraded to a Category 2, has increased concerns along the U.S. East Coast.

A startup called Color Genomics is working directly with employers to offer discounted screening for breast and ovarian cancer.

The research found that if you are 25 you have to eat less and exercise more than people did in the 1970s and 1980s to lose weight.

U.S. authorities found evidence of drug use in about 40 percent of tested drivers who died in 2013 -- an increase of about 12 percent from 2005.

The Republican candidate says emergency contraception is an alternative to abortion.

A new analysis of Paxil reveals there was a greater risk to teens of severe side effects from the antidepressant — including suicidal thoughts and self-harm.