Physicists are quietly rewriting the rulebook for how we might cross the gulf between stars, not by bolting bigger rockets to ...

Long-term space travel to Mars could be bad for astronauts' hearts, a new zero-gravity study shows. After a month at the International Space Station, a set of 48 bioengineered human heart tissue ...

A new study published this month has issued an urgent call for future endeavors in space exploration to take nuclear space travel seriously. Similar to a previous study which called for scientists to ...

Gravitational changes experienced by astronauts during space travel can cause fluids within the body to shift. This can cause changes to the cardiovascular system, including vessels in and around the ...

Dreams of space travel often start with rockets and starry views, not dental chairs. Yet for astronauts, small and ordinary ...

How can fission-powered propulsion help advance deep space exploration, specifically to the outer planets like Jupiter, Saturn, Uranus, and Neptune? This is what a recent study presented at the 56th ...

New studies show that space tourists experience some of the same body changes as astronauts who spend months in orbit. Samples taken from test subjects in space showed wide-ranging shifts in cells and ...

Editor’s note (August 28th 2024): The mission was postponed a few hours before it was due to launch due to worries about bad weather. ENTHUSIASTS HAVE been paying to fly into space for more than two ...

"The lightsail will travel faster than any previous spacecraft, with potential to eventually open interstellar distances to direct spacecraft exploration." When you purchase through links on our site, ...

On the Wednesday, Sept. 24, 2025 episode of The Excerpt podcast: Are humans on the precipice of not only being visitors to outer space, but also becoming permanent residents? Namrata Goswami, ...