Funding threatens US return to moon by 2020

US ambitions of returning to the moon by 2020 and then heading to Mars risk being grounded because of "unrealistic" funds allocated to NASA, said Senator Bill Nelson, a former space shuttle astronaut.

NASA renames street for 'hidden' black women mathematicians

NASA has renamed the street outside its Washington headquarters to honor three black female mathematicians whose pioneering work on the agency's early space program was chronicled in the film "Hidden Figures".

US marks 50 years since second human spaceflight

Three weeks after the world marked 50 years since Russia's Yuri Gagarin became the first man to travel in space, the United States is honoring the American who followed him, Alan Shepard.

NASA rolls out shuttle Atlantis for final time

The US space agency sent its last shuttle, Atlantis, out to the launch pad at Kennedy Space Center so it can prepare for the final launch of the American shuttle program in July.

Most experienced US spacewalker retires

A NASA astronaut who spent more hours walking in space than any other American and also set a record for the longest spaceflight mission has retired to join the private sector, the US space agency said Monday.

Obama's budget would boost science, health (Update)

The budget proposal that US President Barack Obama released Wednesday would boost funds for major science and health programs while making cuts at NASA and the Environmental Protection Agency.

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