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The aircraft, a collaboration with Lockheed Martin Skunk Works, is the centerpiece of NASA's Quesst mission, with an end goal of minimizing cross-country travel time by making supersonic flight over land possible.
The first U.S. moon landing mission in decades blasted off from the Cape Canaveral Space Force Station just after 2:15 a.m. on Monday.
According to Pittsburgh-based Astrobotic Technology, a propulsion problem prevented the newly launched spacecraft from pointing toward the sun for power.
SpaceX launches two rockets less than three hours apart to put a military spaceplane and 23 more Starlink internet satellites into orbit.
America's return to the moon with the Artemis III crew could take longer than originally hoped. Supply chain problems and trouble developing a new SpaceX rocket are contributing to the delay.
NASA described the Ursids as "a meteor shower for diehards only." It is set to peak Thursday night into Friday morning.
The dazzling green tree with seemingly sparkling blue and white lights was found in the Milky Way and is a formation of young stars – some bigger than the sun.
NASA, working to send high-bandwidth video and data from deep space to Earth, transmitted a video of a cat named Taters as part of an experiment.
Astronauts in the International Space Station said they found the rogue fruit, dispelling claims that astronaut Frank Rubio ate it.
Frank Borman flew on the Apollo 8 mission, the first NASA mission to leave low Earth orbit and reach the moon.
NASA described the planets as "scorching" and "bathed" in heat emitted by a distant host star.
Mattingly was also known for being removed from the ill-fated Apollo 13 crew 72 hours before its scheduled launch.
NASA's Imaging X-Ray Polarimetry Explorer telescope studied the nebula for about 17 days, the agency said, marking the longest time it has focused on one object.
Water-bearing clays found in rocks from the asteroid Bennu support theories about how water may have made it to Earth in the distant past.
It's the third leak of heat-dissipating coolant on the International Space Station in less than a year, but officials say the crew is in no danger.
In a dramatic 13-minute plunge back to Earth, the OSIRIS-REx sample return capsule safely landed in Utah after seven years in space.
In a dramatic 13-minute plunge back to Earth, the OSIRIS-REx sample return capsule safely landed in Utah after seven years in space.
The OSIRIS-REx sample return in Utah will bring a seven-year, four-billion-mile journey to a close, providing insights into the birth of the solar system.
NASA called the Parker Solar Probe's flight "not only an impressive feat of engineering, but a huge boon for the scientific community."
NASA officials stressed that the group found no evidence that UAPs are "extraterrestrial" in nature, but said some of the objects cannot be explained.
None of the asteroids pose any threat to Earth, according to NASA's Asteroid Watch dashboard.
The powerful James Webb Space Telescope revealed "crescent-like structures" within the SN 1987A supernova.
On Aug. 30, you will be able to see the month's second full moon, also known as a blue moon. It will appear bigger and brighter than usual, making it a supermoon, too.
The astronauts from 4 countries will dock at the International Space Station on Sunday.
The successful landing capped a four-year effort to recover from a 2019 crash, demonstrating India's growing space prowess.
A warm front will bring the chance for a stray sprinkle on Tuesday in the Philadelphia region, but there won't be any significant rainfall.
Jimmy Butler scored a season-high 30 points in his return from a sprained ankle, Tyler Herro added 18 and the Heat erased an early 19-point deficit to beat the 76ers, 106-89.
Cale Makar scored two goals to lead the Avalanche to a 3-2 win over the Flyers Monday night in a game where a referee was stretchered off the ice.
Kaiheem Jerelle Williams was charged with murder in the death of his girlfriend, who was about eight months pregnant, officials in Delaware County said.
NHL referee Mitch Dunning was taken off the ice on a stretcher after he collided with Colorado defenseman Josh Manson in Monday night's game at Philadelphia.
Three unions representing SEPTA and city workers could go all on strike at the same time.
A warm front will bring the chance for a stray sprinkle on Tuesday in the Philadelphia region, but there won't be any significant rainfall.
The order is a win for Dave McCormick and a loss for Bob Casey as the campaigns prepare for a statewide recount.
St. Francis of Assisi School identified the teacher injured in the crash as Amy Travers and asked people to pray for her and her family.
Jimmy Butler scored a season-high 30 points in his return from a sprained ankle, Tyler Herro added 18 and the Heat erased an early 19-point deficit to beat the 76ers, 106-89.
Kaiheem Jerelle Williams was charged with murder in the death of his girlfriend, who was about eight months pregnant, officials in Delaware County said.
NHL referee Mitch Dunning was taken off the ice on a stretcher after he collided with Colorado defenseman Josh Manson in Monday night's game at Philadelphia.
Temple University is turning to artificial intelligence to strengthen campus safety and help prevent gun violence.
Skin care products are popular on TikTok, but some of them can damage skin, experts say.
The family of Robert Jones, who was shot and killed by an off-duty Philadelphia detective in October, is demanding answers from police and the DA's office.
Crews are battling a wildfire in Hainesport, Burlington County, on Monday night, the New Jersey Forest Fire Service said.
While we don't have anything solid in the forecast, as of late November, meteorologists can look at trends and historical dates.
The New Jersey Forest Fire Service is responding to a wildfire burning near Pine Park and the Lakewood Country Club in Ocean County.
For this mother and son from Jamaica, the Ronald McDonald House in Camden has become a vital and heartwarming home away from home.
New Jersey Rep. Mikie Sherrill, a Democrat, says she is running for governor in 2025.
While we don't have anything solid in the forecast, as of late November, meteorologists can look at trends and historical dates.
We have a good chance to see some rain in the Philadelphia region Wednesday and Thursday.
Sunday is a pleasant day with mostly sunny skies to start, and a much lighter breeze.
Wilmington police are investigating a hit-and-run crash that critically injured three women early Saturday morning.
High pressure will build in from the Midwest for the weekend promoting plenty of sunshine and providing drier air and breezy conditions for Saturday.
Skin care products are popular on TikTok, but some of them can damage skin, experts say.
Meet Hassan Paige, a man from Bucks County, who is one of the finalists of the "2024 Ultimate Men's Health Guy."
Years after suffering a birth injury, Ryan Stehlik is playing lacrosse and wants to eventually become a physical therapist and help others.
This nonprofit, Climbing for Community, helps connect children in underserved communities with the benefits of rock climbing.
The 65-year-old actor and stand-up comedian, best known for portraying Joey Gladstone on "Full House," said he first noticed symptoms in October.
Six Flags announced it shut down the Kingda Ka and Green Lantern roller coasters to make way for two new rides including The Flash coaster.
Xfinity Live!, the popular bar and entertainment venue at the South Philadelphia Sports Complex, is getting a multi-million dollar makeover.
The Hershey Company recently announced the acquisition of the sour candy brand, Sour Strips.
Von Maur, one of the country's top retailers, held its grand opening Saturday at South Hills Village.
Devon Seafood in Philadelphia's Rittenhouse Square is set to close on Dec. 31.
Three unions representing SEPTA and city workers could go all on strike at the same time.
Some members of Philadelphia City Council want federal funds from the Bipartisan Infrastructure Law to save SEPTA, which is facing a fiscal cliff.
A driver had to be extricated after his truck and a school bus crashed in Lower Moreland. At least one student had minor injuries.
Lower Merion Police have located the vehicle and driver wanted in a deadly hit-and-run of a woman in a wheelchair along City Avenue.
Federal money used to help SEPTA make up for lost riders is about to run out – and major cuts could be coming if that money is not replaced.
Jimmy Butler scored a season-high 30 points in his return from a sprained ankle, Tyler Herro added 18 and the Heat erased an early 19-point deficit to beat the 76ers, 106-89.
Cale Makar scored two goals to lead the Avalanche to a 3-2 win over the Flyers Monday night in a game where a referee was stretchered off the ice.
NHL referee Mitch Dunning was taken off the ice on a stretcher after he collided with Colorado defenseman Josh Manson in Monday night's game at Philadelphia.
The Temple University athletic department announced that Stan Drayton is leaving the Owls football program after joining the team as head coach in 2021.
Travis Konecny's two goals and Matvei Michkov's two assists secured the Flyers' third straight win as they defeated the Sabres 5-2.
Paul Teal's fiancée and fellow "One Tree Hill" actors shared tribute posts memorializing him.
The stars of Ridley Scott's "Gladiator II" discuss the film's legacy and stepping back into the world of ancient Rome.
With the release of part one of her new memoir, Cher talks about her relationship - on stage and off - with Sonny Bono, and why their TV partnership survived beyond their marriage.
The most wonderful time of the year is fast approaching which can only mean Christmas shoppers are about to take over malls in full force.
Another work week is in the books, and now it's time to celebrate your much-deserved downtime. Here's what's going on in Philadelphia this weekend.
Ukee Washington reports.
Natasha Brown reports.
Natasha Brown reports.
Natasha Brown reports.
Ukee Washington reports.
Middle school students in Philadelphia got the opportunity to do hands-on learning during the school district's five-day career and technical camp.
With her Girl Talk mentoring program, one Philadelphia teen turned her camp days into a safe space to discuss social issues young girls face every day.
Recent high school graduate Sylvain Farrell says his temporary position at a local clinic is the pathway to a full-time career.
A Philadelphia student won an award from NFL Films for his documentary on bringing back sports teams at his Kensington school.
A group of East Norriton eighth graders took what started as an Earth Day project and made a whole initiative.
Bill Kelly has your NEXT Weather forecast as we'll potentially get rain later in the week.
The fire, dubbed the "Big Rusty Wildfire," is burning in the area of Bancroft Lane and Cove Court in Hainesport.
Philadelphia police are looking for a man seen on surveillance video stealing packages from an apartment building while he was dressed as a USPS mail carrier.
The cause of the fire in Hainesport, Burlington County, is under investigation.
Temple University is working with ZeroEyes, a weapons detection system that uses artificial intelligence, in an effort to make the campus safer and reduce gun violence.