The massive explosion leveled the city's port and scattered debris across a road thousands of feet away. The blast killed at least 100 people and injured thousands more.
The Earth's entire land mass is being photographed by satellites every single day. Trying to make sense of all these images falls to a U.S. spy agency many have never heard of.315
New images show the scale of the destruction in the rebel stronghold of Idlib, where the United Nations says nearly a million people have been displaced in the last three months.
Census Bureau workers are spreading out across the U.S. to make sure they have a list of every home address for next year's head count. Getting left out could lead to an inaccurate 2020 census.
Scientists are using old spy satellite images to measure the effects of climate change. They're finding that glaciers in the Himalayas are melting twice as fast as they were a few decades earlier.
There are a lot of state secrets when it comes to the billions of dollars worth of roads, hospitals and more. Satellite images of night lights may offer some insights into their value.
