Science

Not seen on the Delmarva peninsula in 27 years, the endangered Hessel’s Hairstreak butterfly reveals itself in a Delaware swamp.

Boeing Aerospace has donated $3 million to the Franklin Institute’s $8 million update of its space exhibition, planned for 2023.

Astronomers hope to use the data to understand better how stars are born and die, and how the Milky Way evolved over billions of years.

IVF clinics have long tested embryos for genetic disorders and abnormalities — but in recent years, new startups have been pushing the ...

For the first time, electricity beat out natural gas as a home heating source nationwide. Climate activists are pushing to retire fossil fuel in favor of heat pumps.

Emotions are fleeting — they can bubble up seemingly out of nowhere and change quickly. Studying them is challenging, but it’s also i ...

Scientists are interested in video games as a potential tool to teach players how to get a handle on their emotions.

A Cape Cod science center and one of the world’s largest shipping businesses are collaborating on a project to use robotic buoys to protect a vanishing whale.

The daredevil known as “Mad Mike” Hughes died in a rocket crash in 2020. He was an amateur rocket builder on a quest to prove that the Earth is flat.

The odds are inching up along with the thermometer. Last year, the same forecasters put the odds at closer to 40% and a decade ago it was only 10%.

Since 2019, Philadelphians have competed in the City Natural Challenge by logging species of plants and animals. The records are quite useful for scientists.

Scientists, archaeologists, and historians are documenting stories from those buried and uncovered at the former First Baptist Church cemetery site.

Around the world, at dawn, something magical happens. As the sun rises, nature seems to wake up, and different species break into a choru ...

Conservationists from the New Jersey Audubon Society have worked for nearly a decade to track and conserve the endangered bog turtle.

The decline in new specimens is especially noticeable in the study of mammals. One journal article called it a “perfect storm” for the field.