Scientists discover that planetary system TOI-201 is changing its orbital structure, revealing to astronomers the role of ...

Research findings are available online in the journal Nature Astronomy. The original story “ Interstellar Comet 3I/ATLAS ...

A newly analyzed planetary system spotted by NASA’s TESS mission is challenging long-standing assumptions about how planets ...

A strange planetary system called TOI-201 is changing in real time, with three very different worlds pulling on each other.

Astronomers announced they discovered the TOI-201 planetary system, which greatly expands our understanding of how solar ...

Easy: Venus is the weirdest planet in the solar system. The most distant major planet from the sun and the last stop before ...

So far, humanity has yet to find its first "exomoon"—a moon orbiting a planet outside of the solar system. But that hasn't been for lack of trying. According to a new paper by Thomas Winterhalder of ...

A new Tatooine-like planet outside the solar system may orbit two failed stars, scientists reported Wednesday. Subscribe to read this story ad-free Get unlimited access to ad-free articles and ...

The black star represents the position of the star. The colored lines are the orbits of two planets. The yellow one is the outer, and it is highly inclined. The inner one is the red one. As time ...

The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper’s authors have dubbed ...