I was a bit confused when Polar announced the Grit X2 earlier this year – surely, this watch has already been out for a while? Then I realised I was thinking about the Garmin Fenix-rival Polar Grit X2 ...

Update for 7:41 a.m. EDT: SpaceX's private Polaris Dawn astronauts successfully performed the world's first commercial spacewalk on Sept. 12, with American billionaire Jared Isaacman and SpaceX ...

Here's how to watch the recorded livestream from the launch of SpaceX's Polaris Dawn mission, which took place at 5:23 a.m. on Tuesday from Launch Complex 39A at NASA's Kennedy Space Center in Florida ...

Jared Isaacman, CEO of Shift4 integrated payment processing solutions, participated in the first ever private spacewalk by a group of astronauts who left a SpaceX capsule after a delay of a few hours, ...