Science

Our planet’s surface is 71% water — with five vast oceans that span a range of temperatures and shades of blue. Humans have long love ...

Globally, antibiotic-resistant bacteria are becoming an increasing problem. The Wistar Institute convened researchers to discuss alternative treatments.

It’s a tough question: Why do we look different? As one high school’s syllabus puts it, race is “both a biological myth and a social reality.”

Hydroflouric acid is a toxic chemical used in local refineries. Why a release during the recent South Philly refinery explosion would have been disastrous.

Using desert-taming techniques the ancients mastered, a region of Israel sees vineyards flourish.

Everyone loves a good comeback story — but they don’t just apply to athletes and washed-up actors. Revivals can happen for ideas, pla ...

As of 1 p.m. on Thursday, more than 360 spotters reported seeing a fireball across portions of the Mid-Atlantic and Northeast.

Where one Canadian team works, there are rugged mountain peaks, foothills and vast meadows, as well as towns and farmland. How many bears live here? 

Nostalgia means everything old can be new again. In the brain, memory meets emotion to make us feel good (mostly) — and sometimes like spending money.

Older U.S. east coast cities are leaking nine times as much natural gas into the air — from homes or pipes heading into houses — than the federal government had thought.

The regal fritillary, a rare butterfly that’s nearly disappeared from the eastern United States, has found refuge in a surprising place — a National Guard training center.

The FDA recently approved a procedure to ease the trembling caused by Parkinson’s that doesn’t involve invasive surgery and cutting into a patient’s head.

Ever since astronaut John Glenn's first bite of applesauce in 1962, eating in space has been a challenge.

Motion pictures went to the moon long before Apollo 11 did, and they keep going back.

In the early 1960s, NASA was considering different ideas for landing a man on the lunar surface. Houbolt's plan ultimately won despite concerns within NASA that it was risky.