Researchers believe they have rediscovered a mysterious star system first spotted in 2011. If true, the alien sun and its ...

Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system.

Is it a bird? Is it a plane? No, it's super Neptune! But this Superman-mimicking planet is not blasting through space on its own. It is being dragged along by its parent star.

While our solar system is a fascinating place on its own, exoplanets are even more of a mystery. And one exoplanet in particular is something quite new.

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

offering insights that could reshape our understanding of the Earth-Moon system and the broader solar system. The ...

The OSIRIS-REx mission returned to the sample to Earth in September of 2023, and these studies show that it contains amino ...

Scientists discovered tiny jets on the Sun that power both fast and slow solar wind. These jets eject particles and shape ...

A NASA satellite that suddenly reappeared after going silent gets credit for the remarkable discovery—a pair of temporary ...

Astronomers may have discovered the fastest-moving planet system ever found, moving through our galaxy at speeds of at least ...

Asteroids that orbit close to the Earth inevitably cause us some anxiety due to the even remote possibility of a collision.

NASAs Perseverance rover has collected a historic rock sample dating back to the Noachian era on Mars. This discovery could ...