How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

After defending his PhD thesis on modeling interstellar objects on Monday, June 30, Matthew Hopkins intended to take some ...

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

At the aphelion, the distance from the Earth’s center to the Sun’s center is going to be 152,087,738 kilometers (94,502,939 ...

The star HIP 67522 with a flare erupting toward an orbiting planet, HIP 67522 b, is depicted in this illustration released by ...

Pluto was long considered our ninth planet, but the International Astronomical Union reclassified Pluto as a dwarf planet in ...

A close-in exoplanet is triggering stellar flares and self-destructing. This is the first direct evidence of planet-star ...

Long theorized but never observed, the first known “planet with a death wish” is described by Ilin and her colleagues in a ...

A team of astronomers has uncovered an extraordinary cosmic mystery, a giant planet that seems to be hurtling toward a fiery ...

YOUNGSTOWN, Ohio (WKBN) – If you have thought that the Earth is close to the sun in the summertime and that is why it is ...