Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

Mercury’s risk of orbital disruption rises by 50–80%. There’s a 0.3% chance Mars could be lost through collision or ejection, ...

Artist's impression of Planet Nine – a suspected “wide-orbit” planet – with the Sun in the distance; Neptune's orbit is shown ...

Passing stars could trigger instability across the solar system, resulting in Earth being hauled out of its orbit.

In the remote outer reaches of planetary systems, far beyond the orbit of known planets, enormous and mysterious worlds ...

Mercury reaches its greatest elongation, 26 degrees east of the sun on July 4. From latitude 40 degrees north, the ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new simulations show. By Katherine Kornei If our species manages to hang ...

THE James Webb Space Telescope has discovered its first-ever exoplanet – a distant world hidden by the glare of its nearest ...

Wide-orbit planets are fairly common according to the study, and there's a good chance we have one of our own.

A viral video generated by AI shows a man cutting through planets of the solar system, including Earth and the Sun.

Solar flares can reshape exoplanet atmospheres within days, affecting temperature, winds, and potential habitability.

The space-based observatory has revolutionized the way we see space, and it can now add another remarkable accomplishment to ...