General Atomic's new nuclear fuel was subjected to the maximum heat of a reactor for 20 minutes in the latest tests.

The Mars Express orbiter launched to the Red Planet. Twenty years later, ESA has delivered a high resolution color image of ...

An exploding budget and an unraveling schedule spell disappointment for NASA's mission to learn more about Mars's history.

NASA proposes a faster, cheaper plan to bring Mars samples to Earth, aiming for delivery by the 2030s while cutting costs ...

Mars in 2024 was the site of the sad end of a machine that lived far beyond expectations. On January 18, NASA's Ingenuity ...

President Donald Trump made a bold promise to America minutes after taking the Oath of Office: pledging that an American flag ...

Sending humans to Mars is one of the most ambitious goals in the history of space exploration. Unlike missions to the Moon, ...