Scientists may add a new dwarf planet to the official roster of our solar system. The distant, icy body, provisionally dubbed ...

Learn about 2026 ED138, a new dwarf planet candidate that may be one of the largest and brightest objects discovered beyond ...

To be considered a dwarf planet, an object needs to be massive enough to form a round shape under its own gravity. ED138’s ...

Astronomers have identified a distant object beyond Neptune, and it could classify as a dwarf planet, like Pluto.

Researchers have made groundbreaking observations of interstellar comet 3I/ATLAS using NASA's James Webb Space Telescope.

Astronomers have uncovered evidence of a bizarre, potentially historic discovery: the first moon ever detected beyond our ...

Astronomers have found a possible new dwarf planet beyond Pluto. And the remarkable thing is that they’d been photographing ...

As far-fetched as it may seem, quirks of orbital mechanics could allow hundreds of planets to be packed around a star ...

You can be moving at extraordinary speed and still feel completely stationary. The reason comes down to the difference between velocity and the changes in motion your body can actually detect.

The James Webb Space Telescope finds comet 3I/ATLAS's chemistry resembles that of some icy worlds beyond Neptune in our Solar ...

The small Solar System bodies (SSSBs) preserve records of the formation and evolution of the Solar System. In particular, the ...

Spiral Galaxy from Kirkland et al. CREDIT Chris Kirkland and colleagues. A new study of zircon crystals from two of Earth’s oldest continents indicates that the formation of Earth’s continental crust ...