<p>Last week, SpaceX sent a crew of non-astronauts to space on <a href="https://www.technologyreview.com/2021/09/15/1035797/inspiration4-spacex-private-mission/" target="_blank">the Inspiration4 mission</a>. Is it the dawn of a new era of commercial space travel? Also, NASA plans to practice <a href="https://www.technologyreview.com/2021/09/09/1035166/dart-nasa-spacecraft-asteroid-protection-dimorphos/" target="_blank">saving Earth from an asteroid</a> – with some unexpectedly chaotic results.</p>

Last week, SpaceX sent a crew of non-astronauts to space on the Inspiration4 mission. Is it the dawn of a new era of commercial space travel? Also, NASA plans to practice saving Earth from an asteroid – with some unexpectedly chaotic results.

<p>Last week, SpaceX sent a crew of non-astronauts to space on <a href="https://www.technologyreview.com/2021/09/15/1035797/inspiration4-spacex-private-mission/" rel="noopener noreferrer">the Inspiration4 mission</a>. Is it the dawn of a new era of commercial space travel? Also, NASA plans to practice&nbsp;<a href="https://www.technologyreview.com/2021/09/09/1035166/dart-nasa-spacecraft-asteroid-protection-dimorphos/" rel="noopener noreferrer">saving Earth from an asteroid</a> –&nbsp;with some unexpectedly chaotic results.</p>

SpaceX makes history once again, and can we save Earth from an asteroid?

Like space, but want more? Join space journalist Jonathan O'Callaghan as he interviews experts for The New York Times, Scientific American, New Scientist and more about the secrets of the cosmos. New episodes every Wednesday. Follow him on Twitter @Astro_Jonny

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SpaceX makes history once again, and can we save Earth from an asteroid?

SpaceX makes history once again, and can we save Earth from an asteroid?