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Research at the Center for Astrophysics | Harvard & Smithsonian covers the full spectrum of astrophysics, from atomic physics to the Big Bang. In concert with the joint missions of our parent institutions, Harvard University and the Smithsonian Institution, we consider it our duty to share that research openly, furthering humanity's understanding of the universe. Contact nadia.whitehead@cfa.harvard.edu for media inquiries.

Interstellar Comets Like Borisov May Not be All That Rare

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Cambridge, MA -- In 2019, astronomers spotted something incredible in our backyard: a rogue comet from another star system. Named Borisov, the icy snowball traveled 110,000 miles per hour and…

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