A new paper examining and simulating the formation of wide-orbit planets has put the chances of our own Solar System ...

In the remote outer reaches of planetary systems, far beyond the orbit of known planets, enormous and mysterious worlds ...

More than 150 moons orbit worlds in our solar system. Known as natural satellites, they orbit planets, dwarf planets, asteroids, and other debris. Among the planets, moons are more common in the ...

The latest cosmic puzzle for scientists comes from the constellation Leo, roughly 240 lightyears from Earth. Astronomers, ...

Dusty clouds made of sand—that may rain iron—blanket a giant planet orbiting a young, sun-like star just 310 light-years from Earth, the James Webb Space Telescope has revealed. The discovery was made ...

This artist's concept depicts a protoplanetary disk - dust and gas caught in the gravity of a young star. A new study found ...

The Atacama Large Millimeter/submillimeter Array (ALMA) has uncovered a key piece of the puzzle in how rocky planets, such as ...

The European Space Agency's Solar Orbiter, which launched in 2020 from Cape Canaveral, captured the first-ever images of the sun's south pole.

Earth’s earliest crust may have looked a lot more like the continents we know today than scientists once believed. A recent study shakes up old ideas about how Earth's surface evolved, showing that ...

Beyond the edge of Neptune, a distant realm of icy debris known as the Kuiper Belt stretches deep into space. This frozen ...

Among the headline findings were the presence of silicate clouds in one of the planet's atmospheres, and a circumplanetary ...