A distant gas giant the size of 10 Jupiters is now the first planet outside Earth's solar system to be mapped in three ...

Astronomers are gathering evidence of a massive hidden planet lurking beyond Neptune. Trump Cuts Millions After California ...

“If you build a map at a wavelength that water absorbs, you’ll see the water deck in the atmosphere, whereas a wavelength ...

Webb just spotted a carbon-rich moon factory 625 light-years away, revealing how moons like ours may have first taken shape.

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 ...

Planet Y is the latest in a series of hypothetical solar system planets that scientists have proposed in recent years, all with slightly different characteristics, but collectively believed to be ...

When you see art of our solar system as the planet orbit the sun, you may notice that Earth's orbit has a tilt. It is not a perfect circle. What's more, Earth is not the only planet that displays such ...

Material around Chiron, a small icy world in the far reaches of the solar system, may be taking shape into a ring system of ...

Our solar system now, once again, officially consists of only eight planets. Although largely debunked, speculation continued ...

TOI-2267 is made up of two small and cool stars. The team confirmed the presence of two exoplanets, and there is strong ...

Astronomers using NASA's Swift telescope detected water on interstellar comet 3I/ATLAS in a surprising location. Discover how ...