Science and Technology

A new study suggests Philadelphia residents are not relying on cars as much as they used to, and other forms of transportation are picking up the slack. Read more here.

A Villanova University astronomer says an unusual dimming of a star in the constellation Orion could be a warning that it's about to "go supernova." Read more here.

The stories of black astronauts are shared in a new documentary that looks at the final frontier of civil rights: getting black astronauts into space amid Jim Crow, danger, discrimination and the Cold War. Within four generations, they went from slavery to space.

Dagmar Turner wasn't just showing off when she played the violin during her brain surgery at King's College Hospital in London. Surgeons asked the 53-year-old to play her instrument to ensure that the professional violinist's musical abilities were not damaged during a tumor removal. Read more here.

Eight years after her death, a holographic Whitney Houston will embark on a European tour that starts in England on Feb. 25 and runs through early April, with U.S. dates expected to follow. Read more here.

For decades, the Allentown Art Museum displayed an oil-on-oak panel painting called "Portrait of a Young Woman" and credited it to "Studio of Rembrandt." Thanks to modern technology and some expert detective work, the nearly 400-year-old painting has now been judged to be a work of the Dutch master...

The latest social media obsession for many kids is Tik Tok, a free app where users can watch and record videos of themselves lip-syncing and dancing to popular music and sound bites. Read more here.

U.S. House Speaker Nancy Pelosi appealed to an audience in Germany for countries to steer clear of Chinese tech giant Huawei as they build their next-generation cellular networks, adding her voice to pressure from the Trump administration. Read more here.

It's called "Survival of the Slowest" — a new exhibit at the Academy of Natural Sciences of Drexel University, which featured a live two-toed sloth named Lou Lou. Read more here.

A federal judge has cleared a major path to T-Mobile's $26.5 billion takeover of Sprint, as he rejected claims by more than a dozen states that the deal would mean less competition and higher phone bills. Read more here.