Cities have been paving over streams since the 19th century, but scientists are only now learning of potential harms to water quality.
Microplastics contaminate the water on a massive scale.
One Baltimore restaurant is giving away free meals to homeless guests.
Mental health resources, affordable child care, and better police relations would go a long way toward improving the lives of disadvantaged youths.
In a three-year stretch, Baltimore central booking turned away 2,600 people arrested by police, but found by corrections officers to have serious injuries or illnesses.
A leaked police report suggests that the Baltimore man tried to injure himself, a notion that his family and supporters angrily reject.
The city's schools may have been closed, but Tuesday was still full of learning opportunities.
Freddie Gray isn't the first person to be gravely injured while riding in a police van.
When the Baltimore man was arrested, he was alive and well. By the time he reached a police station, he couldn't breathe or talk. What happened?
It was created using a collection of 1937 railway timetables.
This animated data viz reveals that aliens don't shy away from cities.
A new study links growth in African American entrepreneurship to a decline in black youth violence between 1990 and 2000.
A new exhibit throws viewers into the boiling plasma and eerie soundscape of the sun.
An impressive-looking system might dump even more snow Thursday into Friday.
Expect downed trees, massive waves, and widespread, lasting power outages.
The National Weather Service has an experimental new tool that shows the weather hazards along your journey, including predicted snow accumulations.
For 15 years, one organization has improved outcomes for Baltimore youth with a surprising tool: the debate team.
Rising sea levels have kicked up flood days by as much as 900 percent along parts of the East Coast.
On Sunday, set your sights east to catch the fiery ascent of a resupply for the International Space Station.