Look up tonight: Supermoon to soar into the sky

Look up tonight as a Supermoon will rise into the sky.  Nicknamed the Cold Moon as winter weather brings colder temperatures, the moon will only be 221,813 miles away from Earth.

December skywatching guide: Wrap up 2025 with these can't miss celestial events

With the new year around the corner, December is filled with a robust lineup of celestial events to end the year with a rewarding skywatching experience.

TSA sets all time record for daily screenings

The Thanksgiving holiday saw millions of people traveling by air, and on Sunday the Transportation Security Administration (TSA) says it set a new daily screening record with over 3 million travelers screened at airports across the country.

Lightning on Mars: Scientists capture crackling sounds

The researchers examined 28 hours of audio recordings, documenting 55 episodes of what they consider to be “mini lightning” over two Martian years.

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.

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.

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! 

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.

3I Atlas comet updates: Where is it now, and what scientists are saying

The 3I/ATLAS comet was first spotted in July near Jupiter after it entered our solar system from another universe. Here’s what’s known about it and what we’ve learned so far.

Earth has a new temporary mini-moon: Meet 2025 PN7

The mini-moon/asteroid will only be joining Earth's orbit temporarily before it returns to its other orbital path.

Comet Lemmon to make closest approach to earth on Tuesday night: How to see it

Stargazers in Philadelphia and beyond will be treated to a rare celestial sight on Tuesday when Comet Lemmon makes its closest approach to earth.