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Geomagnetic activity could make the aurora visible in parts of Michigan, Maine, New York, Wisconsin and Washington state on Wednesday. The lights may also be seen in Alaska and parts of Canada.
The aurora borealis, or northern lights, were distinctly visible, appearing in skies over a vast section of the country.
"I always see strange things in the sky but this was insane," one woman who saw the mysterious spiral said.
"I could see the waves dancing in green all over the sky," he said of his flight during the G4 geomagnetic storm.
Passengers on an airplane were treated to a stunning view of the northern lights as a glimmering green and pink aurora lit up the night sky above New York.
Some parts of the U.S. also have a chance at seeing the Northern Lights on Monday night.
The sun appeared to be "smiling" down on Earth ahead of Halloween weekend. But what does it mean?
The storm could hit as soon as Thursday, NOAA said.
New Zealand photographer Sam Wilson captured this stunning time-lapse video of the Milky Way and Aurora Australis -- the southern hemisphere's version of the Northern Lights. Six hours of footage shot from Coronet Peak on New Zealand's South Island was condensed into 30 seconds in this video, which went viral online.
Congress returns this week from its August recess staring down a deadline to fund the government and avert a possible shutdown by month's end.
China's Xi Jinping has invited Vladimir Putin and North Korea's Kim Jong Un for a display of power, and the rising tide of anti-Western sentiment.
President Trump has claimed the authority to bypass Congress and impose sweeping tariffs, but a new ruling throws that in doubt.
Jerry Nadler, 78, who was first elected to Congress in 1992, told The New York Times in an interview that he plans to retire in 2026.
A remote part of Sudan's Darfur region had been a refuge for people fleeing a civil war, but it couldn't protect them from a landslide. Rebels say 1,000 people are dead, with just one survivor.
Kraft Heinz is splitting back up into two companies a decade after they joined in a massive merger that created one of the biggest food conglomerates on the planet.
When Congress decided this summer to eliminate $1.1 billion allocated to public broadcasting, it left some 330 PBS and 246 NPR stations to figure out what that means.
Three dockworkers were charged over 1,116 pounds of cocaine found hidden behind a false wall in a shipping container on the Sydney waterfront, police saiid.
Venezuelan President Nicolás Maduro on Monday claimed eight U.S. military vessels "with 1,200 missiles" were targeting his country.