The next presidential election is still a few years away, but Arizona's senators could be contenders in a wide-open ...

The next presidential election is still a few years away, but Arizona's senators could be contenders in a wide-open ...

Arizona Sen. Mark Kelly knows a few things about objects in outer space, including those that make their way to Earth.

Senators introduce a resolution to designate June 30 as National Asteroid Day, emphasizing planetary defense and public ...

Three Scottish brothers attempting to become the fastest people to row across the Pacific have received a second call of ...

Jeff Bezos has two siblings: sister Christina and brother Mark. Here’s everything to know about Jeff Bezos' siblings, ...

Astronaut and Navy captain Mark Kelly has announced his retirements. In a letter posted on his Facebook page, Kelly says. "Words cannot convey my deep gratitude for the opportunities I ...

T hree Scottish brothers attempting to become the fastest people to row across the Pacific have received a second call of ...