Most presolar grains were destroyed in the formation of the universe. But some survived on meteorites.
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Articles on Space
Displaying 21 - 40 of 816 articles
The far side of the Moon has a very different composition from the near side − so researchers are eager to see what stories these samples will tell.
Having its first citizen go into space would demonstrate Nigeria’s capabilities, build expertise, and bring the benefits of space exploration and development.
It’s a fundamental requirement for life on Earth. But how does water exist on such a forbidding world as the Moon?
Your favorite TV show isn’t the only place where guest stars might appear. Keep an eye on the sky for the second half of 2024 and you might be able to witness a rare astronomical event.
NASA’s DART was the first time we tried planetary defence – attempting to redirect an asteroid. The data from this landmark mission is still yielding new insights today.
The groundbreaking discovery of a temperate Earth-size planet just 40 light-years away may hold the key to understanding stellar habitability.
New US legislation could force Nasa to include enhanced cybersecurity for all its spacecraft.
The spacecraft’s return has been delayed while experts study helium leaks and thruster problems.
X-rays emitted around black holes can tell astrophysicists about how fast they’re growing.
These rare rocks come in a few different types, which can tell geologists about Mars’ volcanic past and hint at its potential habitability.
Magnetism and gravity both shape the boundaries of our cosmic neighbourhood.
Astronomers and stargazers around the world are excited to witness a rare event that only happens once every 80 years – a recurrent nova.
Cosmology does not need dark matter or dark energy in an expanding universe that allows the constants of nature to evolve, and light loses energy as it travels vast distances.
Sabotaged space stations, falsified space probe data and faked alien contact are just a few of the scenarios a report on space cybersecurity outlines.
A set of papers published in Nature contain groundbreaking research into how even quick jaunts to space can affect an astronaut’s health.
Safely landing a spacecraft that’s falling from the sky very quickly is easier said than done.
Cyberattacks are a growing threat to government and commercial spacecraft.
It’s not a competition, but if it were, Saturn would be winning.
Spacecraft exteriors that automatically heal from radiation damage would change the game − one material shows promise.
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Top contributors
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Professor of Planetary and Space Sciences, The Open University
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University Distinguished Professor of Astronomy, University of Arizona
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Professor (Astrophysics), University of Southern Queensland
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Professor of Strategy and Security Studies, Air University
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Associate Professor in Archaeology and Space Studies, Flinders University
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Emeritus Professor of International Law, Western Sydney University
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Senior Lecturer in Physics, Nottingham Trent University
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Reader in Astrophysics, Keele University
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Associate Professor in Astronomy, Monash University
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Sterrenkenner, History & Philosophy of Science, The University of Melbourne
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Andrew Dempster is a Friend of The Conversation.
Director, Australian Centre for Space Engineering Research; Professor, School of Electrical Engineering and Telecommunications, UNSW Sydney
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Space Plasma Physicist, Imperial College London
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Associate Professor of International Affairs, Georgia Institute of Technology
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Post Doctoral Research Fellow in Space Science, University of Birmingham
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Lecturer in Astronomy, Nottingham Trent University
