Science

In images streamed as the impact neared, the egg-shaped asteroid, called Dimorphos, grew in size from a blip on screen to have its full rocky surface come quickly into focus.

Environmental advocates are speaking out against a Pa. DEP plan to clean up decades-old contamination at the site of the former Bishop Tube facility in East Whiteland Township

Tom Mustill was sure he was going to die — that was the last thing he thought as he watched a humpback whale arc majestically out of th ...

On the anniversary of President Kennedy's speech on the race to the moon, we look at dramatic advances in U.S. space science, from commercial flights to the Webb telescope.

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

In his latest book, primatologist Frans de Waal asks the question, "What can the world of apes and monkeys teach us about gender, sex and biology?

NASA has called off its second launch attempt for its new moon rocket because of yet another fuel leak.

A new book is written from the witty, sharp, sometimes self-indulgent perspective of our Milky Way galaxy, detailing what it's like to look down on tiny planet Earth.

NASA's Apollo missions already sent astronauts to the moon from 1969 to 1972. But scientists say there's still lots of good science to do there.

As sea levels rise and buildings by coasts are increasingly endangered, communities around the world are turning to the small but mighty oyster to help stabilize shorelines.

The Environmental Protection Agency said Friday it is designating some toxic industrial compounds used in cookware, carpets and firefighting foams as hazardous substances.

Sonja Michaluk has spent a decade working to preserve wetlands and species along the Princeton Ridge.

An app dedicated to promoting the squish and kill of the spotted lanterfly is waning in popularity in Pa., while gaining in states where the invasive species is newer.

Conservationists want the rare insect, which is threatened by vacation home development, added to the Endangered Species Act.

The findings are a reminder that the people, plants, and animals in polar regions are experiencing rapid, and disastrous, climate change.