Dubbed HD 143811 AB b, the interstellar entity is a gas giant that’s located some 446 light-years away from Earth in a galaxy ...

SPHERE’s detailed images of dusty rings around young stars offer a rare glimpse into the hidden machinery of planet formation ...

The solar system may have a ninth planet after all. This one is 5,000 times bigger than outcast Pluto and billions of miles farther away, say scientists who presented "good evidence" for a ...

Using the Webb telescope’s powerful Near Infrared Imager and Slitless Spectrograph (NIRISS) instrument, the team detected a ...

Pluto has long been one of the most debated celestial bodies in our solar system. Once classified as the ninth planet, it was redefined in 2006 as a dwarf planet, a decision that still sparks ...

Caltech researchers, Batygin and Brown, propose the existence of a ninth planet, nicknamed Planet Nine, based on mathematical modeling and simulations, not direct observation. Planet Nine is ...

R. Hurt (Caltech/IPAC) Just 4.3 light years from Earth lies a star called Alpha Centauri A, which is famous for being the nearest star that resembles our own Sun. In the popular Avatar movies, this ...

Just 4.3 light years from Earth lies a star called Alpha Centauri A, which is famous for being the nearest star that resembles our own Sun. In the popular Avatar movies, this star's system is home to ...

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