NASA proves laser communication works in space, sending HD video across millions of miles and paving the way for faster data from Mars.

Scientists measure the distance to the Moon by bouncing lasers off mirrors placed there by space probes and astronauts.

The nearest star beyond our Sun is Proxima Centauri, and while it sounds close in astronomical terms, the journey there […] ...

For years, doctors and scientists have tracked how space changes the human body. Astronauts often come back with weaker muscles, thinner bones, and immune systems that do not respond as well as before ...

The slingshot, called TARS, could in theory accelerate a small spacecraft up to 620 miles per second. Reaching interstellar space could be far simpler than we thought, thanks to a new idea called TARS ...

Space travel accelerates the ageing of human stem cells, reveals new research. Spaceflight speeds up the ageing of cells which are “vital” to blood and immune system health, say American scientists.

SALT LAKE CITY — Fifty-five years ago today, the world was looking up as astronauts from Apollo 11 blasted off from the moon to return after a successful mission. However, what you might not know is ...

Traveling to space is brutal on the body. Spaceflight can cause astronauts’ bones to lose density, their brain and eye nerves to swell, and their genes to change expression. Research suggests spending ...