Sunspot AR3500 blasted a M9.8-class solar flare. NASA's Solar Dynamics Observatory captured footage of the flare in multiple wavelengths. Views from the ESA/NASA Solar and Heliospheric Observatory ...

Though it’s hard to estimate where the Northern Lights will show up, they may be the most visible Friday night in Canada and ...

Geomagnetic storms have pushed the Northern Lights farther south than usual, with sightings reported as far as Mississippi, Texas, Arizona, and even parts of southern California.

NOAA: Aurora borealis view line map for Friday, Sept. 20, includes the northern Midwest states of the United States.

For patients with heart failure with preserved ejection fraction (HFpEF), endovascular treatment (EVT) improves left ...

TIME's senior sports correspondent Sean Gregory tries his hand at several Olympic sports while learning from Olympians. Subscribe now to get unlimited access to TIME.com and more! Tidal action ...

At a pro-Israel conference in Washington DC, former US President Donald Trump criticised American Jewish voters supporting Kamala Harris. He warned of existential threats to Israel if Harris wins ...

Harris, With an Online Avalanche, Outspends Trump by Tens of Millions The week of their debate, Kamala Harris outspent Donald Trump by 20 to 1 on social media platforms. It signals how uneven ...

With less than 50 days until voters take to the polls, second gentleman Doug Emhoff has been on the campaign trail supporting his wife, Vice President Kamala Harris, as she campaigns to be the ...