Pluto's unusual eccentricity and tilt is likely due to its interactions with neighboring Neptune and other giant planets, ...

How does a planet’s size influence its orbit around its parent star? This is what a recent study published in the Proceedings of the National Academy of Sciences hopes to address as a team of ...

Alpha Centauri, also known as Alpha Centauri A, is a three-star system. The brightest star, Alpha Centauri A, is quite ...

Astronomers have detected an exoplanet with a highly oblong orbit that experiences wild temperature swings — and it may be transitioning into another type of world. The exoplanet, named TIC 241249530 ...

Two moons orbit Mars, and one of them may be on a path to extinction. However, will this prediction actually come to pass? Here's more about what's happening.

This artist’s impression shows a Jupiter-like exoplanet that is on its way to becoming a hot Jupiter — a large, Jupiter-like exoplanet that orbits very close to its star. NOIRLab/NSF/AURA/J. da Silva ...

Artist’s depiction of a Jupiter-sized planet in orbit around a white dwarf. Incredibly, the two objects in the image are actually close to scale, as white dwarfs are roughly the size of Earth. Image: ...

Astronomers have found a planet in the habitable zone of a red dwarf star, but its orbit is so elongated that it would have wildly variable temperatures and likely couldn’t support life. The planet, ...

The series "Imaginary Earths" speculates what the world might be like if one key aspect of life changed, be it related to the planet or with humanity itself. Earth is the only planet traveling within ...

Scientists have confirmed the existence of an "extraordinary" hot Jupiter-type planet that may help explain how the gas giants of our own solar system were formed. The planet, named Kepler-1704b, ...

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