Latest Science headlines

7 Earth-sized planets discovered — just a mere 40 light years away

NASA said the discovery may help to answer the question, “Are we alone?”

SpaceX launch at historic NASA moon pad is delayed at last second

Last-minute rocket trouble forced the unmanned SpaceX on Saturday to delay its inaugural launch from NASA’s Kennedy Space Center in Florida.

Panel backs the once-unthinkable: editing human genes’ inheritable traits

The group endorsed the alteration of eggs, sperm, and embryos — but only to prevent babies from being born with genes known to cause serious diseases.

Scientists discover record-shattering black hole feeding frenzy

A black hole killed a star a decade ago and has feasted on its remains ever since.

book review

Tracking race to develop vaccine to head off birth defects from rubella

Meredith Wadman chronciles the push to produce a vaccine ahead of a projected outbreak around 1970.

Scientists take first steps to growing human organs in pigs

Scientists have grown human cells inside pig embryos, a very early step toward the goal of growing livers and other human organs in animals to transplant into people.

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A live stream of Instagram posts from The Boston Globe photo department.