Aliens may have been closer to Earth than first thought. New research from NASA reveals that Ceres, the dwarf planet in the ...

Beyond the familiar planets lies a fascinating frontier filled with icy worlds, mysterious orbits, and cosmic curiosities.

NASA’s James Webb Space Telescope finds TRAPPIST-1 d lacks an Earth-like atmosphere, narrowing the search for habitable planets.

A potential new dwarf planet has been discovered in the outer reaches of the solar system, and its existence poses the greatest challenge yet to the hypothesis that a ninth planet lurks far from ...

Potential discovery of new dwarf planet adds wrinkle to Planet Nine theory By Nick Butler, Fox News Published May 31, 2025, 6:00 a.m. ET ...

A new study suggests that the dwarf planet Ceres once supplied a steady stream of chemical energy and may have been habitable.

A possible new dwarf planet has been discovered at the edge of our solar system, so far-flung that it takes around 25,000 years to complete one orbit around the sun. The object, known as 2017 ...

For centuries since the Sun was declared the center of the solar system in the 16th century, society held the belief that any object orbiting the bright star would be considered a planet.

A planet far, far away A possible dwarf planet, like Pluto, has been observed in our solar system, according to a preprint published in arXiv. The area of space where this planet was found was ...

The waning Moon passes Jupiter, Venus, and Mercury before dawn, while Titan’s shadow transits Saturn in the sky this week.

Another white dwarf, ZTF J0923+4236, dimmed irregularly every couple of months, while a third named WD 1145+017 was seen in 2015 to have variations in transits of orbiting objects, which have ...