SpaceX achieves key milestone in safety testing of Crew Dragon spacecraft (video)
This is a big step for SpaceX's plan to launch NASA astronauts aboard Crew Dragon
Boat stuck above Niagara Falls for more than a century dislodged by severe storms (video-photos)
Wreck has moved closer towards highest waterfall, with authorities unsure whether it could soon go over the edge
The shocking moment a journalist was diagnosed with cancer on air (video)
She live-streamed her first-ever mammogram for breast cancer awareness month
