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A faint signal from old telescope data is causing a stir in astronomy: a planet barely larger than Earth, with an almost identical orbital period, and a star astonishingly similar to our sun. It is still unclear whether life could exist there.
According to theoretical models of planetary system formation, violent gravitational interactions early in a system’s history can eject planets into interstellar space. (Image: University of...
In the desert Rogue, free-floating planets appear to have two distinct origins. Most of the exoplanets we’ve discovered have been in relatively tight orbits...
What we put on our plates may matter more for the climate than we realize. Researchers found that most people, especially in wealthy countries, are exceeding a “food emissions budget” needed to keep global warming below 2°C. Beef alone accounts for nearly half of food-related emissions in Canada. Small changes—less waste, smaller portions, and fewer steaks—could add up to a big climate win.
