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Articles on Space

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Didymos (bottom right) and its smaller moonlet Dimorphos (center) were the targets of the Double Asteroid Redirection Test. NASA/Johns Hopkins APL

NASA crashed a spacecraft into an asteroid – photos show the last moments of the successful DART mission

The Double Asteroid Redirection Test successfully showed that it is possible to crash a spacecraft into a small asteroid. Whether the approach could save Earth from a future threat remains to be seen.
Astronomers think the most likely place to find life in the galaxy is on super-Earths, like Kepler-69c, seen in this artist’s rendering. NASA Ames/JPL-CalTech

Super-Earths are bigger, more common and more habitable than Earth itself – and astronomers are discovering more of the billions they think are out there

Newly discovered super-Earths add to the list of planets around other stars that offer the best chance of finding life. An astronomer explains what makes these super-Earths such excellent candidates.
Space exploration is becoming a more feasible reality, prompting a need for international cooperation. (NASA/Unsplash)

Outer space is not the “Wild West”: There are clear rules for peace and war

A new publication clarifies how existing legal frameworks apply to space exploration and development. The McGill Manual also highlights the catastrophic implications of conflict in space.
Private companies have launched dozens of imaging satellites – like the two small boxes in the middle of the photo – into orbit in recent years. NASA/Steve Jurvetson

War in Ukraine highlights the growing strategic importance of private satellite companies – especially in times of conflict

Private satellite companies have boomed in recent years, and many experts have wondered what role they would play in a conflict. They have proved to be invaluable to Ukraine in recent months.
Russia controls six modules aboard the International Space Station. STS-122 Shuttle Crew, NASA via flickr

Russia’s withdrawal from the International Space Station could mean the early demise of the orbital lab – and sever another Russian link with the West

The head of the Russian space agency announced that the country will withdraw from the International Space Station after 2024. A space policy expert explains what this means and why it’s happening now.
VFTS 243 is a binary system of a large, hot blue star and a black hole orbiting each other, as seen in this animation. ESO/L.Calçada

Astronomers have found an especially sneaky black hole – discovery sheds light on star death, black hole formation and gravitational waves

Astronomers have discovered the first dormant black hole outside of the Milky Way. These black holes are not absorbing matter from a nearby star, making them incredibly hard to find.
Satellite imagery monitors environmental changes to inform agricultural decisions. Agricultural patterns are distinctly visible in this near-vertical false colour infrared photography of farmland south of Khartoum, Sudan. (JSC/NASA)

Space agriculture boldly grows food where no one has grown before

Technologies being developed for growing food in space have contributed to advances in agriculture and crops on Earth.
China and the U.S. both have big plans for the Moon, but there are a number of reasons why no country could actually claim ownership of any land there. 3dScultor/iStock via Getty Images

NASA’s head warned that China may try to claim the Moon – two space scholars explain why that’s unlikely to happen

A comment by Bill Nelson, the NASA administrator, sparked a strong public response from the Chinese government. But due to legal and practical reasons, no country could take over the Moon anytime soon.

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