Planets come in all sizes, but some discoveries have completely blown away expectations. In 2025 alone, astronomers have confirmed massive […] ...

"For the first time, we have identified the earliest moment when planet formation is initiated around a star other than our sun." ...

The study notes, “The eccentricity of the hot Jupiter population has important implications on the dominant formation mechanism. While hot Jupiters with periods less than 3 days show mostly circular ...

"The terrestrial planets basically aren't giving them enough kick to leave the system," Elisa Quintana, a research scientist at NASA Ames Research Center, told Space.com. Quintana studied the role of ...

One of the brightest stars in the night sky seems to be orbited by a planet like Jupiter. The news is sure to cheer fans of the Avatar series, which centers on a moon that orbits a fictional gas giant ...

Named WD 1202-232 and WD 2105-82, the planets are estimated to be between one and seven times as massive as Jupiter, and both orbit small, dead stars at distances of at least 11.5 times that ...

The evidence the researchers came across provides a convincing "yes" to the question of whether the same cosmic process can just as easily give birth to a star as a Jupiter-sized planet.

Of all the extrasolar planetary systems detected by astronomers in recent years, the star 47 Ursae Majoris and its known companions, two Jupiter-sized planets, is the one that most closely resembles ...

Since it is between five and 10 times the mass of Jupiter, this makes it the lightest rogue planet discovered with such a trait. The other rogue planets are also thought to have formed this way.

NASA's Webb telescope spots 6 rogue planets: What it says about star, planet formation The group of cosmic bodies are slightly bigger than Jupiter and have no star to orbit. Astrophysicists ...