Could we have evidence of life on Mars?
News broke this week that rocks picked up by NASA’s Perseverance rover on Mars may have found chemical signatures left by living organisms.
With the search for life on the red planet capturing our imaginations for decades, Victoria Gill is joined by science journalist Jonathan Amos to look at what we know about the history of life on Mars, and what could be different about this discovery.
As commemorations take place this week for the anniversary of the 9/11 attacks, we hear about the project helping to protect birds in New York from the effects of a giant annual light display in memory of…
The skinny
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