Earth’s earliest chapter is mostly gone. Rocks from the planet’s first few billion years have been eroded, buried, recycled, ...

The hunt for Planet Nine continues as new discoveries make the Solar System’s biggest mystery even harder to solve. Is there ...

Astronomers have discovered a "fossil" body residing on the outskirts of the solar system, according to new research. The object – which goes by the formal designation 2023 KQ14 but is nicknamed ...

The outer solar system once seemed like a quiet backwater. But a glut of tiny, strange moons with unruly orbits are coming ...

Unlike rocky planets such as Mars and Earth, angrites do not have a lot of silicon dioxide. Because of this, astronomers have ...

A new study suggests that a massive structure beyond Jupiter trapped the cosmic dust needed to form the first building blocks ...

Voyager 1, launched in 1977, has traveled farther than any spacecraft in human history. After more than four decades of silent endurance through space, it now sails beyond the orbit of the outer ...

Scientists are actively searching for exoplanets, planets beyond our solar system, that might harbor life. Using advanced telescopes and methods like the transit and radial velocity techniques, they ...

Using a new technique that partly relies on artificial intelligence, researchers spotted potentially more than 10,000 new exoplanets.

Add Yahoo as a preferred source to see more of our stories on Google. Astronomers have discovered a "fossil" body residing on the outskirts of the solar system, according to new research. The object – ...