We know much about the true shape of our planet is thanks to two satellites that act as targets for lasers fired from Earth.
JAXA has announced a mission to visit the two moons of Mars and return a rock sample to Earth.
Why use satellites to study Earth's climate? Researchers leading a new mission explain how images from space will help them analyze which parts of the Americas soak up the most carbon.
The Moon belongs to all of us. Let's share in its beauty from afar without splashing around $100 million on a showy space trip.
Scientists have discovered seven Earth-sized planets packed around a dim star.
If there's life on one of the Earth's seven sisters, chances are it has spread to all of them.
Hidden Figures is certainly inspirational, but the racial politics of the space programme were hardly so easily settled.
An Australian Space Agency could capitalise on our history working with NASA and the ESA and boost our entry into the expanding commercial space industry.
A twin experiment in space can help us prevent diseases on Earth.
The reporting of crackpot theories as news by mainstream news outlets only damages the credibility of the media and science, and undermines public trust in both.
Letters from would-be girl astronauts in the 1960s tell part of the complicated story of sexism – in both NASA and the US at large – at the dawn of the space age.
NASA's Juno spacecraft has faced a series of challenges during its first 150 days.
China has been very quiet in negotiations over fisheries regulations for the central Arctic Ocean. Why is the country's behaviour there so dramatically different from what it pursues in Antarctica?
President Trump's 2018 budget request cuts funding for NASA Earth observation research and cancels four missions. Weather forecasters, businesses, scientists and the armed forces rely on this data.
Far from being "politicised science", as a Trump advisor has claimed, NASA's satellite monitoring has been a crucial help in understanding the planet we live on.
Climate science is now a key part of the agency's mission.
The president-elect's taste for private jets could be just what the aviation industry needs.
Using terrestrial forensic science to point the finger of blame to criminals in space will be much harder than it looks.
New study suggests a 64km diameter body travelling at 15km per second created the Orientale Basin on the moon.
Recent high-profile disappointments make it tempting to this our efforts to explore Mars are cursed. But landing anywhere in space is hard – not least on the Red Planet.