Journey beyond Neptune to uncover the frozen, mysterious worlds that challenge everything we thought we knew about the solar ...

Our solar system has eight planets, four of which move in slightly different elliptical orbits which are tilted compared to ...

Nearly a century after Pluto’s discovery, astronomers are still hunting for mysterious planets beyond Neptune - including a ...

At a young age, we're told how the sun warms Earth and makes life possible. That idea sticks with most of us for life. But ...

Modern astronomy is giving us unprecedented views of the asteroids, comets, and other small bodies that litter our cosmic ...

Jupiter's rapid early growth dramatically reshaped our solar system, scientists now reveal. Its immense gravity acted as a cosmic divider, separating ...

Comet C/2025 V1 (Borisov), discovered by an amateur astronomer, is captivating scientists. Its unusual orbit initially ...

Andalusian scientists discover a rare system where three Earth-sized planets orbit two stars, reshaping theories on how ...

Astronomers have discovered that aging stars may be devouring their closest giant planets as they swell into red giants.

There are no confirmed exomoons, moons orbiting distant exoplanets in other solar systems. There are a few candidates, but ...

Just as Earth orbits the sun, most planets discovered beyond our solar system orbit a host star. But some are out there all ...

The investigation unveiled that the coronal mass ejection (CME) associated with this M dwarf star travels at an impressive ...