Believe it or not, meteorologists say the U.S. Global Forecast System Model and other forecast models are getting better.

In 1959, as a groundbreaking Black manager at Remington Rand, he oversaw the wiring of a $3.5 million computer for the Atomic Energy Commission.

In Pennsylvania, a hydrogen hub is in upheaval as a natural gas producer pauses involvement while four others bail on the project.

Health and Human Services Secretary Robert F. Kennedy Jr. aims to phase out eight synthetic food dyes. Some beloved Philadelphia and regional snacks use the dyes in their formulas.

On April 22, 1970, Philadelphia hosted a six-hour festival in Fairmount Park that drew 25,000 to 30,000 clean-air lovers.

Famous for their large, fragrant, cream-colored blossoms, the trees will be planted later this month, in the lead-up to America's 250th birthday in 2026.

Just over 4 inches of rain fell officially in Philly in the 13-day period that ended Saturday. Here comes the sun ... after the reign of clouds and rain, it should be shining through the workweek.

It dropped into the 20s outside the city, but the heat island spared much of Philly from a freeze. Here comes the rain.

Wind chills are forecast to be in the 20s and 30s Tuesday. Meanwhile, the drought appears to be easing.

Fracking operations by Chesapeake Energy, now Expand Energy, are among more than 600 controversial projects the president wants to expedite to combat the nation’s “energy emergency.”

Some 200 volunteers converged in Tacony Creek Park Saturday morning to help clean up thousands of used tires. One by one, they dug into the tire dump, sloshing stagnant water all over their pants.

"I have to laugh, but I also feel like I’m gonna cry, because this is so bonkers," said Bartram’s Garden executive director. The grant supported tree planting, high school interns and home gardens.

The region's only certified pollen counter has retired, leaving it to the machines. The lack of reliable data remains a research problem in a warming world.

Beyond the immediate concerns surrounding the data transfer policy, experts warn of the broader risks to genetic data.