The giant planets weren't always where we find them today. Jupiter, Saturn, Uranus and Neptune formed in a more compact ...

Astronomers are uncovering distant worlds beyond our solar system using ingenious indirect methods like observing stellar ...

This is the story of our cosmic neighborhood's front row. We explore the four rocky planets forged in the sun's heat: ...

Interstellar Comet 3I/ATLAS makes its closest, safe approach to Earth on Dec. 19. Learn how this rare visitor reveals secrets ...

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The world's most expensive infrared spectrometer - the James Webb Space Telescope - is unearthing extraordinary exoplanet ...

When 3I/ATLAS is closest to the Earth on Dec. 19, all the features that we are looking for will be easier to detect with our ...

TOI-561 b is about 1.4 times the size of Earth and completes one orbit around its star in less than 11 hours, placing it in ...

The passage of the interstellar object known as 3I/ATLAS through the inner solar system is prompting scientists and planetary ...

Scientists are now analysing the entire data in depth to create a complete map of the temperature around the planet and ...

Interstellar comet 3I/ATLAS makes its closest Earth approach on Dec. 19, offering astronomers a rare chance to study a visitor from beyond the solar system ...

An ultra-hot rocky exoplanet may be wrapped in a dense atmosphere, defying expectations about what small planets can sustain.