Experts told Newsweek about the difficulties of reaching Mars as the United States faces complex challenges in space policy.

The president’s Inaugural Address linked landing on the Red Planet with Manifest Destiny, but left many of the specifics unclear.

President Trump pledges in inaugural address to pursue policy that 'expands our territory' and to put US astronauts on Mars.

During his inaugural address, President Donald Trump said he wants 'American astronauts' on Mars. Where does a future Mars mission currently stand?

President Donald Trump set a bold new goal in his inauguration speech. He wants to go to Mars. Details are thin, but the aspiration should benefit Elon Musk’s SpaceX and a bevy of publicly traded commercial space stocks.

"Americans are explorers, builders, innovators, entrepreneurs and pioneers. The spirit of the frontier is written into our hearts," Trump says.

A collection of Martian rocks could reveal details about potential past life on the Red Planet – but first NASA has to get them back to Earth.

With rambling, ranting and retribution, the 21st century’s foremost political showman has given us a good glimpse at the next four years.

In his 29-minute Inaugural Address, Trump promised to defeat inflation and to “end the chronic disease epidemic.” He promised national power so great that it could “stop all wars,” and expand the nation’s territory. He even promised to “restore American promise.”

From a promise to buy Greenland to his threat to 'take back' the Panama Canal, Donald ... on the planet Mars.' So, could Mars really become the 51st state? Unfortunately for Trump, international ...

President Trump vowed to send American astronauts to the planet Mars in his inaugural address, envisioning a moment when the U.S. flag is planted on Martian soil. “We will pursue our manifest destiny into the stars,

With key private sector space executives in attendance for his Monday inauguration, President Donald Trump declared ... Stars and Stripes on the planet Mars," Trump said. SpaceX CEO Elon Musk ...