Our reliance on space infrastructure means that conflict in space would have global catastrophic consequences. But a recent declaration by the United States provides hope.
This year, two groups of astronomers plan to send messages containing information about humans and the location of Earth toward parts of space they think may be home to intelligent life.
Listen to two space experts discuss how the Russian invasion of Ukraine threatens international collaboration in space on The Conversation Weekly podcast.
The astronomy and astrophysics decadal survey for the 2020s lays out plans to search for life on distant planets, understand the formation of galaxies and solve deep mysteries of physics.
In Australia, space defence gets billions of dollars in funding, and commercial projects get hundreds of millions. Space science gets only $2 million a year.
NASA has only mapped 40% of the potentially dangerous asteroids that could crash into Earth. New projects will boost that number, and upcoming missions will test tech that could prevent collisions.
What happens to the International Space Station when tensions on Earth rise? A space policy expert explains how the ISS is run and how Russian aggression has threatened its operation in the past – and now.