Since the first discovery of planets beyond the solar system in 1995, more than 6,000 exoplanets have been identified. Many ...

It’s an unprecedented snapshot of “time zero,” scientists reported Wednesday, when new worlds begin to gel. “We’ve captured a direct glimpse of the hot region where rocky planets like Earth are born ...

Scientists just made a breakthrough discovery in revealing how planets are made. By observing water vapor in protoplanetary disks, they confirmed a physical process involving the drifting of ...

You win some, you lose some. Earlier this week, observations made by the Webb Space Telescope provided new data that supports what we thought we understood about planet formation. On Thursday, word ...

A new theory for how rocky planets form could explain the origin of so-called "super-Earths"—a class of exoplanets a few times more massive than Earth that are the most abundant type of planet in the ...

A team of astronomers have found that planet formation in our young Solar System started much earlier than previously thought, with the building blocks of planets growing at the same time as their ...

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Jess Thomson is a Newsweek Science Reporter based in London UK. Her focus is reporting on science, technology and healthcare. She has covered weird animal behavior, space news and the impacts of ...

A stunning corner of the cosmos was recently revealed by the James Webb Space Telescope, and astronomers think the find will unveil more about the mysteries of both star and planet formation. Hiding ...

Recent research indicates Mercury is shrinking, with its radius decreasing by 2.7 to 5.6 kilometers due to core cooling. This contraction forms thrust faults and scarps on the surface. A new ...