Science

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.

An environmental organization and the U.S. Navy teamed up Tuesday to deploy one million oysters at a "living shoreline" at Naval Weapons Station Earle on the Jersey coast.

It's used to make cleaner-burning gasoline in about four dozen refineries in the U.S., including two in Philly region.

On the 50th anniversary of Apollo 11, we discuss the mission, what we learned about the moon and space, the evolution of the spacesuit, and the new space race.

In honor of Apollo 11’s 50th anniversary, we’ve been talking a lot about gettin ...

Two Delaware companies that contributed spacesuits and other materials to the moon landing 50 years ago see a role in future space missions.

Heavy rain shifted the lid of a tank at PES refinery causing fumes to escape. City officials say there is no sign abnormal pollutants were released