Trump's July 4 celebration featured a massive fireworks display that organizers said could break the Guinness World Record.

Trump's July 4 fireworks display plans to launch more than 850,000 pyrotechnic effects. Here's the world record it must beat ...

Washington was briefly the most polluted major city in the world, according to IQAir data, after a massive Independence Day ...

The nation’s capital will host a grand celebration – and attempt to break a world record with the largest fireworks display ...

Organised by Freedom 250, this display will occur over the National Mall and Potomac River on July 4, as part of the "Salute ...

The nation’s capital was lit up by a record number of fireworks to commemorate the United States’s 250th birthday after ...

Hourly concentrations of particulate matter rose to 6.7 times their pre-fireworks levels, according to an analysis ...

With bigger fireworks celebrations across the US, cities are expected to experience poor air quality under historic heat.

The National Park Service will launch a dazzling 850,000 fireworks in the nation's capital this year. Scientists are watching for the environmental and ...

The U.S. capital, Washington, saw its worst air quality of the year over the July 4 weekend, as smoke from a massive ...

Instead of dumping tea into the harbor, Bostonians can toast it together in efforts of setting a new world record.