Astronauts on space missions experience various physiological effects.
Here's what NASA scientists discovered when an astronaut went into space and his twin remained on Earth.
China National Space Administration/EPA
The moon's far side looks redder than its near side. An expert explains what the actual colour is.
China has become the first to land on the far side of the moon. And unlike previous uncrewed moon landings, it relied on sophisticated technology rather than luck.
The solar system’s largest volcano Olympus Mons on Mars, seen by Viking 1.
Naming features on other worlds is a trickier issue than you might think.
Signs of life on Mars? These are the tracks of NASA’s Curiosity rover exploring the Martian landscape.
Mars has long captured our imagination, from claims of canals to Martian attacks and now our latest NASA exploration to look inside the red planet.
Once people get there, Mars will be contaminated with Earth life.
NASA/Pat Rawlings, SAIC
NASA's InSight Mars lander touches down Nov. 26, part of a careful robotic approach to exploring the red planet. But human exploration of Mars will inevitably introduce Earth life. Are you OK with that?
Mars seen by the Viking orbiter.
There's enough dissolved oxygen in the salty lake below Mars' surface to support simple lifeforms such as sponges. Here's what that means for space exploration.
BepiColombo MPO at Mercury,
Spacecraft ESA, Mercury NASA
It will take more energy to get the BebiColombo spacecraft inro a stable orbit around Mercury than it would to send it all the way to Pluto.
There are plans to cause HAVOC on Venus.
The upper atmosphere of Venus is the most Earth-like extra-terrestrial location in the solar system. It could even host life.
First Man: Ryan Gosling as Neil Armstrong, the first man on the Moon.
Universal Pictures and DreamWorks Pictures
The new film is a down-to-Earth portrayal of astronaut Neil Armstrong and our complex relationship with the Moon.
The south polar cap of Mars is hiding a subsurface lake, according to new research.
Studies from our own planet shed light on whether there could be life in a subglacial lake on Mars.
The moon is our closest neighbour and our best hope for building capacity to explore space.
Space law is a growing and important discipline.
If Ghana is to fully harness the benefits of space technology, it will need space legislation and regulations.
Ella and Nicki at the Mars Desert Research Station.
Augmented reality technology could help recreate familiar sensory experiences from Earth.
Pie in the sky? Mars Ice Home concept.
Elon Musk may be disappointed by recent studies threatening his plans to go to Mars, but planetary scientists are breathing a sigh of relief.
We can create the right kind of food plants to survive on Mars.
If humans are to live on Mars they will need a stable supply of food. Earth plants are not suited to the Mars climate but we can engineer plants that are.
Fragments of the asteroid 2018 LA scattered over a wide area in Botswana’s Central Kalahari Game Reserve.
Each meteorite is a piece of the puzzle to understanding our solar system.
Nearly 50 years since the first man walked on the moon, our morals are still stranded on Earth.
US President Trump holds up a space policy directive he just signed during a meeting of the US National Space Council 18 June 2018.
The Outer Space Treaty has guided global exploration and use of outer space since 1967. Trump's 'Space Force' may not be a good fit.
Why no rocket launch plans from Australia?
Proposed changes to Australia's space activities legislation do little to inspire confidence in the government's approach to a commercial space industry.