Sedna will make its closest approach to the Sun in 2076, giving us a rare opportunity to visit the planetoid before it drifts ...

July promises a celestial spectacle. Skywatchers can see star clusters and meteor showers. Planetary sightings, including ...

Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory ...

So-called M dwarfs are the most common stars in the Milky Way. A research team has determined around which of them Earth-like ...

What can Earth-sized exoplanets teach scientists about the formation and evolution of exoplanets throughout the cosmos? This is what a study recently posted to the arXiv preprint server hopes to ...

TOI-6894 b, the largest exoplanet relative to its host star yet seen, doesn’t fit the most widely accepted formation model ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new ...

Astronomers confirm TOI-5573 b, a rare, miniature Saturn-like planet orbiting a small star, challenging theories of planetary ...

Scientists from Vilnius University (VU) Faculty of Physics, along with members from Poland and other countries, discovered a ...

Researchers in the US have suggested there is a 40 percent chance a ninth planet could exist in our solar system. Planet Nine, or Planet X, which will hopefully be renamed if its existence is ever 100 ...

Despite being covered in impact craters that could potentially send pieces of the planet into space, we have never found a ...