An alternate explanation that fits the evidence is that Vesta was once part of a planet – but which planet that might been ...

Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

Researchers have found a candidate for the hypothetical Planet Nine, which could be an undiscovered giant planet way out in ...

Thanks to JWST, we've learned key details about methanol — a key building block for organic compounds necessary for life — on ...

The Delta College Planetarium in downtown Bay City offers a slew of events each week intersecting the lines science and ...

Discovered in 1930, Pluto was long considered our Solar System's ninth planet, but was unseated in 2006 after the discovery ...

Earth has four seasons, but do other planets in our solar system also have hot summer days and cold winter nights?

Astronomer Eliza Kempton said that she had waited her "entire career" to peer into an atmosphere from this mysterious class of planets.

Astronomers have long speculated about an unseen planet lurking in the solar system's outer edge. This hypothetical world, ...

NASA analyzed 40 years of satellite data to discover mysterious ninth planet at the edge of our solar system, potentially ...

One set of dots had matching colors and brightness. open image in gallery Is there a possible ninth planet in our solar system? Researchers say they may have found a candidate (Credit: ESO/Tom ...

Astronomers may have found a candidate for Planet Nine. This planet is beyond Neptune. The finding could be the first ...