For every rule in the cosmos, there is a spectacular exception. While most planets orbit in a neat plane, Pluto tumbles at a ...

Across the galaxy, astronomers now see that planetary systems fall into four broad classes, and our own solar system, part of the rare Ordered group, is only one of them. At the same time, discoveries ...

A network of powerful ground-based telescopes captured rare starspot-crossing events on TOI-3884b, revealing cooler patches ...

In our Solar System, the planetary orbits all have a similar orientation. Their orbital planes vary by a few degrees, but roughly the planets all orbit in the same direction. This invariable plane, as ...

For the last month and change, you might've seen the headlines about the planetary alignment, or a planetary parade, going on in our solar system. And that's true. In January 2025, Venus, Mars, ...

University of North Carolina researchers have recently discovered a baby exoplanet that could challenge our current understanding of how planets form in newly-minted solar systems. Designated IRAS ...

A planet circling at a sharp 90-degree angle to the orbits of its two host stars has now been confirmed. This discovery challenges long-standing ideas about how planets form and orbit in the cosmos.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The planet, about ...

In a real-life twist on Star Wars' Tatooine—a harsh desert planet with twin suns and a criminal underbelly—astronomers have found a bizarre new world that orbits two stars at a perfect right angle.

An ALMA telescope image shows two potential exoplanet bodies that appear to orbit a star on the same orbit. Credit: ALMA (ESO / NAOJ / NRAO) / Balsalobre-Ruza et al. Astronomers think they've found ...