Once people get there, Mars will be contaminated with Earth life.
NASA/Pat Rawlings, SAIC
Space researchers have had a careful approach to robotic exploration of Mars and been hands-off toward Europa and Enceladus. Why is human exploration – and inevitable contamination – of Mars different?
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.
Artist’s impression of the Europa clipper mission.
We could find evidence of life on Europa within a couple of decades.
Artist’s impression of a solar-powered satellite on a mining mission.
The first step to mining an asteroid is finding a suitable candidate. Scientists estimate there should be some ten nearby targets.
Mars seen by Curiosity.
NASA and ESA have signed a letter of intent to collect samples from Mars and return them to Earth.
Kids dream about going to space – and some very wealthy adults are booking tickets.
With any type of human exploration, there are risks as we push boundaries, and there are inevitably mishaps and fatalities as a result. Space tourism is no exception.
An artist’s rendition of the InSight lander - which will collect data on what’s inside the planet Mars.
The InSight Lander mission to Mars is preparing for launch in May 2018. But there are seven (or eight) other planets to explore: why have we such a hang up on Mars?