Mr. Kelly is a U.S. senator from Arizona and a former NASA astronaut. There’s no country better at solving hard problems than ...

Mark and Scott Kelly, twin brothers and former NASA astronauts, spoke to "CBS Mornings" about how the agency is set to lose ...

Kelly’s name has arisen as a potential candidate for both president and vice president in the past. Kelly, who was elected to ...

Whole-cell vaccines are based on a crude technology developed more than 100 years ago. Those vaccines use the entire pathogen ...

The Australian government is "very concerned" about U.S. President Donald Trump's latest threat to raise pharmaceutical ...

Twenty-seven Senate Democrats, a majority of the caucus, voted Wednesday night for at least one of two resolutions to block ...

President Donald Trump’s transportation secretary, Sean Duffy, has ordered NASA to build a nuclear reactor on the moon, just ...

In May, the White House released a budget proposal that would slash NASA funding. But a Senate appropriations plan would ...

NASA's leadership change comes at a pivotal moment for the agency, which is already bracing for potentially severe funding ...

In May, the White House released a budget proposal that would slash NASA funding. But a Senate appropriations plan would protect the agency's budget.

The Arizona senator added a trip to the first 2028 primary state to summer travels after the Iowa State Fair visit.