Astronomers using NASA’s James Webb Space Telescope have produced the first three-dimensional map of Uranus’ ionosphere, ...

A strange 200 million-year-old object with the mass of a planet has been discovered 20 light-years from Earth, outside our solar system. The "rogue," as it's referred to by researchers, is producing ...

Hot Jupiters rank among the strangest planets astronomers have ever found. They are gas giants as massive as Jupiter, yet they race around their stars in just a few days. Since the first such world ...

Astronomers have found what appears to be one of the strangest known worlds in the universe. It orbits a type of rapidly spinning neutron star called a pulsar – this in itself is unusual, but it is ...

Venus is often called Earth's evil twin due to its size, mass, material composition, and density. It even feels like Venus should've become a second Earth. However, it ended up being one of the ...

This handout artist’s impression released on October 2, 2025 shows Cha 1107-7626, a rogue planet located about 620 light-years away about 5-10 times more massive than Jupiter and doesn’t orbit a star.