National Parks raising fees for international tourists visiting popular US parks

The fee change will impact 11 national parks, including the Grand Canyon, Yellowstone and Yosemite, according to the U.S. Department of the Interior.

San Diego Zoo’s oldest resident, 141-year-old tortoise Gramma, dies

Gramma, the San Diego Zoo’s oldest resident and one of the world’s oldest Galapagos tortoises, has died at the estimated age of 141.

Dozens of snakes rescued after alleged abandonment in South Carolina

Authorities in South Carolina have rescued 52 nonvenomous snakes that were found confined in boxes on a property in Jasper County.

NASA 3I/ATLAS comet update: ‘It’s a window into another solar system’

NASA is providing more images and information about the interstellar object that's passing through our solar system right now, known as 3I/ATLAS.

New USGS map shows what's underneath your feet, wherever you go

USGS has unveiled its most detailed national geologic map, giving the public a free, interactive way to explore underground features. Here’s how to use it.

FAA ends shutdown-era flight limits as air traffic staffing rebounds

The Federal Aviation Administration announced Sunday that it will lift all restrictions on commercial flights at 40 major airports that were imposed during the nation’s record 43-day government shutdown.

Study reveals the best way to drive off pesky seagulls

If you’ve ever had a seagull try to steal your snack at the beach, you may have lashed out at the notorious thief, but researchers say they've found another way.

Largest male great white shark ever recorded pinged off New Jersey coast

The white shark is most likely on the move back down to Florida where waters are warmer and there are more food sources, but well have to see where he shows up next.

Northern lights return tonight: When is the best time to look up?

If you missed Tuesday night's rare glimpse at the Northern Lights that illuminated skies around the Philadelphia area, you're in luck! 

Jane Goodall remembered at funeral service in DC

Jane Goodall, the conservationist renowned for her groundbreaking chimpanzee research documenting their personalities and use of tools, is being remembered at a funeral service at Washington National Cathedral in the nation’s capital.

Northern lights visible in Philadelphia suburbs overnight Tuesday

Northern lights dazzled skies in the Philadelphia suburbs overnight Tuesday with vibrant hues of pink and green made possible by several large solar flares.

Mysterious interstellar comet 3I/ATLAS has no tail: What 2 experts say

3I/ATLAS recently passed its closest point to the sun. Because of its unusual behavior, some scientists are wondering if it's not a natural object -- in which case, one says, "we are screwed."

Chinese astronauts stranded in space after debris strikes return capsule during mission

A Chinese space crew is stranded at the country’s Tiangong space station after tiny pieces of space debris were believed to have struck their return capsule, China’s spaceflight agency said Wednesday.

FAA air traffic reduction impact on Philadelphia International Airport

Travelers will see fewer flights at airports around the country starting this week as the FAA cuts the number of flights to forty high-volume markets around the country starting Friday morning.