Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory ...

Scientists have proposed two experimental spacecraft that could reach one of the farthest known objects in the solar system ...

Sedna will make its closest approach to the Sun in 2076, giving us a rare opportunity to visit the planetoid before it drifts ...

For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

The planet, which astronomers believe is orbiting a young red dwarf star approximately 34 light years away, has been dubbed ...

The James Webb telescope has made another stunning discovery -- this time of a massive planet that could potentially sustain ...

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 ...

According to Live Scence, the planet’s shadow was first spotted in 2021 in data taken by the European Space Agency’s Gaia ...

The planets in order from the Sun are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. If you include the ...

OF201, the object belongs to the same all-star family as Pluto: dwarf planets. Its diameter, roughly 435 miles (700 km), is half Pluto’s, ...

Astronomers confirm TOI-5573 b, a rare, miniature Saturn-like planet orbiting a small star, challenging theories of planetary ...

The James Webb Space Telescope has discovered an exoplanet using the direct-imaging technique. The host star's light was ...