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This artist's concept shows what the TRAPPIST-1 planetary system may look like, based on available data about the planets' diameters, masses and distances from the host star.
Scientists find habitable planets around a type of star nobody had ever thought to check.
To protect its native animals, the country is considering a controversial technology known as gene drives on invasive predators.
Scientists reanimate microbial form of "super life".
Boreal forest torched by fire could look "normal" in twelve years.
It involves tubes, an airlock, and nature's call.
A food scientist explains.
As It Happens
'Sailing the wake of our ancestors': Hawaiian canoers travel the world guided only by sea and stars
From counter-terrorism to cybercrime, can the police really do it all?
One man's mission to power wash hate away
How a little dog named Gobi changed an ultramarathoner's life