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

Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory about the possibility of a giant ninth planet. The dwarf planet's existence ...

A dwarf planet is classified as a celestial body that orbits the sun that has enough mass and gravity to be mostly round, but unlike other planets, has not cleared its orbital path of asteroids ...

A potential new dwarf planet has been discovered in the outer reaches of the solar system, and its existence poses the ...

Studies of 15 M-type stars have revealed new insights into the potential presence of exoplanets. A new study led by ...

Earth has a newly-discovered neighbor in the solar system. But the heavenly body – possibly a dwarf planet à la Pluto – isn't a frequent visitor. Located beyond Neptune, its extreme orbit ...

Indeed, other planets, dwarf planets and moons in our solar system do have seasonal cycles — and they can look wildly different from the ones we experience on Earth, experts told Live Science.

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.

Our solar system is a pretty wild place, full of amazing stuff. From the giant Sun to the tiny rocks floating around, there’s ...

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

Computer simulations show that planets could be flung out of the inner solar system, supporting the possible existence of a ...

Scientists from Vilnius University (VU) Faculty of Physics, along with members from Poland and other countries, discovered a rare planet using a space-time phenomenon first predicted by Albert ...