Commonwealth Fusion Systems said Tuesday at CES 2026 that it has installed the first superconducting magnet for its Sparc fusion reactor, a key milestone for the experimental system the company aims ...

Billionaire investor Bill Ackman pitched an innovative approach to taking SpaceX (SPACE) public through a merger with Pershing Square SPARC Holdings. Ackman's plan would distribute special purpose ...

Billionaire investor Bill Ackman on Saturday proposed merging SpaceX with Pershing Square SPARC Holdings, a special purpose acquisition rights vehicle created by his firm, Pershing Square Capital ...

It is now likely that the coldest period of sustained cold weather is behind us after gripping the Eastern U.S. for the first part of December. Warmer temperatures are expected for Christmas and into ...

It’s time to bring in sensitive plants, prepare your pets and gas up your car. The big chill is coming this weekend. The polar vortex will spread from the North Pole into Canada and the Midwestern ...

Another round of bone-chilling air from the polar vortex could invade the central and northeastern US this weekend and potentially produce the first significant snowstorm of the season for the ...

A disruptive polar vortex is set to usher in three successive waves of Arctic air across the central and eastern United States through mid-December, bringing dangerously low temperatures and the ...

A Polar vortex has covered the Philadelphia region under a canopy of frigid temperatures, but many people may not realize what a Polar vortex actually is, and the dangers — like frostbite — such ...

Just a few days into December, an arctic air mass has swept into the United States, bringing subzero morning lows and daytime highs stuck in the teens for 30 million Americans in the Northern Plains, ...

A shifting polar vortex is expected to bring three waves of Arctic air to the central and eastern U.S. Tennessee is forecast to experience winter weather, including a mix of snow and ice, in early ...

The polar vortex has broken, and severe temperatures are set to dominate most of the country in the coming days. Temperatures in the 10s are forecast for much of the Northeast, and subzero ...