Science

Jacqueline Means is the queen of STEM. At 12, with her mom's help, Means decided to create an event where girls could get hands-on experience doing science projects. That's when the Wilmington Urban Stem Initiative was born. Read more here.

Just in time for Valentine’s Day, the beloved “Giant Heart” exhibit at The Franklin Institute has a new look and sound. Read more here.

Chester County U.S. Rep. Chrissy Houlahan is trying to address the shortage of women in STEM careers — especially in engineering and math — with the new bipartisan Women in Stem Caucus. Read more here.

It's not always easy making learning fun for students, but Philadelphia nonprofit Project HOME hopes to do just that through a new educational lab that opened in North Philadelphia on Wednesday. Read more here.

Scientists think they’ve figured out how to make a century-old tuberculosis vaccine far more protective: Simply give the shot a different way. Read more here.

The 22 member states of the European Space agency pledged Thursday to boost their funding to support more missions and research projects, including a new generation of satellites to monitor climate change. Read more here.

Two girls from the Delaware Valley each won top prizes at an elite, national science competition in Washington, D.C. last week.

A remarkable trove of fossils from Colorado has revealed details of how mammals grew larger and plants evolved after the cataclysm that killed the dinosaurs.

Men have floated out the hatch on all 420 spacewalks conducted over the past half-century.

Toxic heavy metals damaging to your baby's brain development are likely in the baby food you are feeding your infant, according to a new investigation published Thursday.