Science

The authoritative Intergovernmental Panel on Climate Change report, which calls climate change clearly human-caused and “unequivocal,” forecasts the 21st century.

Dr. Suzanne Simard's new book explores how trees have evolved, how they perceive one another, learn and adapt their behaviors and remember the past.

An installation at Temple Lutheran Church in Haverford is the largest project Solarize Delco has completed. The county is creating a sustainability plan.

An ocean expedition exploring more than a mile under the surface of the Atlantic captured a startlingly silly sight this week: a sponge that looked very much like SpongeBob.

Cutting carbon emissions to zero in the next 30 years would save about 74 million lives this century, a new analysis estimates.

Scientists are meeting to finalize a landmark climate report. It's meant to guide the next decade of international climate policy, but it's unclear if politicians will act.

Just north of Delaware’s popular beach resorts, the Delaware Bayshore’s value economically and environmentally shouldn’t be underestimated, a new report shows.

Language is how we connect — to each other, to the past, to the future — how we create culture, communicate ideas, and make decisions ...

At DEP's request, Sunoco has halted work on a section of line.

Journalist Sarah Everts talks about the science of sweat -- how it helped us evolve and why this natural function is still embarrassing. Her new book is "The Joy of Sweat."

The Amazon founder was accompanied by a hand-picked group: his brother, an 18-year-old from the Netherlands and an 82-year-old aviation pioneer from Texas.

The Hubble Space Telescope is returning to operation more than a month after its original payload computer shut down.

New Jersey is moving aggressively to become the leader in the fast-growing offshore wind energy industry on the East Coast.

The sites may be at risk for leaching a class of toxic chemicals known as PFAS into drinking water supplies.

State, county, and local officials rebuff critics who say offshore wind turbines would ‘industrialize’ the Jersey Shore.