Polaris has officially recalled two different vehicles, totaling more than 20,000 units nationwide, due to fire hazards.

COOLEST STORY OF THE DAY BY FAR. IF YOU THINK THIS WAS AWESOME TO WATCH ONLINE, JUST IMAGINE HOW IT MUST HAVE FELT FOR THE PRIVATE CREW OF POLARIS DAWN TO TAKE A STEP OUTSIDE INTO SPACE THIS MORNING.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The Polaris Dawn ...

The Polaris Dawn astronauts have exited the SpaceX Dragon capsule to expose themselves to the void of space while 435 miles above Earth. Early Thursday, the crew began final preparations to ...

SpaceX’s Polaris Dawn mission kicked off early Tuesday, launching a four-person crew of civilian astronauts into orbit. And hours later they have already made history: reaching the highest orbit ...

"We actually had a pretty neat view of Polaris Dawn entering," astronaut Mike Barratt radioed flight controllers in Houston. "All of us were more or less crowded in the (multi-window) cupola ...

PART OF THE POLARIS DAWN SPACE MISSION IN PARTNERSHIP WITH ELON MUSK’S SPACE X. WE ONE LAUNCHING FROM THE KENNEDY SPACE CENTER IN FLORIDA EARLIER THIS WEEK AFTER UNFAVORABLE WEATHER CAUSED WEEKS ...

Jared Isaacman, the billionaire businessman who has helped to fund the Polaris Dawn mission, is in orbit with Scott Poteet, a retired U.S. Air Force lieutenant colonel, and Sarah Gillis and Anna ...

While the daring mission has concluded, it's only the first of three spaceflights planned under the larger Polaris Program. At 3:36 a.m. ET on Sunday, the Dragon and the Polaris Dawn crew safely ...

The four have been orbiting Earth aboard Crew Dragon since Tuesday's pre-dawn launch from Florida of the Polaris Dawn mission. Isaacman "egressed Dragon" and conducted his first "suit mobility ...

COPY. ONE ALPHA. VEHICLE PITCHING DOWNRANGE. STAGE ONE. PROPULSION IS NOMINAL. T PLUS 35 SECONDS INTO THE POLARIS DAWN MISSION. FLYING CREW ON BOARD DRAGON AND FALCON NINE TO NEW HEIGHTS.