The planet, informally dubbed 2M1510, traces out an orbit that carries it far over the poles of two brown dwarfs.

Exoplanets—planets that orbit stars beyond our solar system—have transformed our understanding of the universe. Since the ...

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An international team of astronomers reports the discovery of two new exoplanets, a few times more massive than Earth, ...

What's more, no exoplanets with emission spectra cooler than 275 K (1.85 °C; 35.33 °F) - comparable to Earth - have been observed either. WD stars present a unique opportunity to detect and ...

Of the more than 5,000 exoplanets that have been confirmed so far and many more thousands of candidates, most orbit stars the ...

WD 1856+534b—a freezing world with a surface temperature of -125 degrees Fahrenheit—exists where planets are normally scoured ...

Astronomers using the James Webb Space Telescope have directly detected the faint glow of a planet that’s colder than any world whose light has been directly observed—an astonishing detection that ...

At a frigid -125 degrees Fahrenheit (-87 degrees Celsius), WD 1856+534 b is the coldest planet ever directly observed, ...

Why doesn’t our solar system have sub-Neptune exoplanets and what can they teach us about planetary formation and evolution?

Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

So far, most confirmed exoplanets are large and close to their stars, simply because they’re easier to detect. Earth-like planets are often too faint and too far out. But with smarter tools like ...