Smoke from the Canadian wildfires continues to bring dangerous air quality to parts of the northern U.S., with hazy skies ...

Amtrak is the largest high-speed rail provider in the United States, carrying over 30 million passengers annually. It is ...

If using a smartphone, NASA recommends using a tripod to stabilize the image, enabling night mode and disabling flash. With a ...

Seeing a total solar eclipse can be even more impressive than witnessing the aurora borealis, but it will be quite a while ...

The aurora's are back! And may be visible throughout the weekend. The University of Alaska and NOAA track auroras using the ...

As hundreds of wildfires continue to burn in Canada, the smoke from the flames is bringing potentially dangerous air quality to parts of the United States.

Some geomagnetic storm conditions are expected after a coronal mass ejection that left the sun last week, forecasters said.

Now, they are expected to send smoke drifting into the United States on Friday. As of Friday, there are 174 active wildfires in Canada, with 94 of these considered to be "out of control," meaning ...

An air quality map shows conditions improving across the United States on ... and advisories in several states this week. Some areas near the border with Canada — including northern Minnesota ...