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XMM-Newton uncovers a celestial Rosetta stone

ESA's XMM-Newton orbiting X-ray telescope has uncovered a celestial Rosetta stone: the first close-up of a white dwarf star, circling a companion star, that could explode into a particular kind of supernova in a few million years. These supernovae are used as beacons to measure cosmic distances and ultimately understand the expansion of our Universe.

Isaac Newton's Apple Tree Grows at Tufts

Thanks to an eminent Tufts cosmologist and his colleagues, Tufts University has received cuttings from an apple tree at MIT that traces its lineage to the English farm where Sir Isaac Newton lived in the 1600s.



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