Scientists are investigating the number of super-Earths compared to Neptune-sized planets in other solar systems. Their research suggests that super-Earths are at least as common as Neptune-sized ...

A new study released on Thursday describes a search for what are called "microlensing" events, where a planet acts as a ...

University of Central Florida (UCF) scientists and their collaborators discovered new insights into the formation of distant ...

A groundbreaking new study suggests that super-Earth exoplanets—rocky planets larger than Earth but smaller than Neptune—may ...

An international team including astronomers from the Center for Astrophysics | Harvard & Smithsonian (CfA) has announced the ...

NASA, NOAA: Sun Reaches Maximum Phase in 11-Year Solar Cycle Oct. 15 ... Union defines a planet as a celestial body that orbits the sun, is massive enough that gravity has forced it into a ...

In a memorable image from the 1977 film "Star Wars," the young hero Luke Skywalker gazes at two suns setting above the ...

Astronomers have found thousands of exoplanets — worlds beyond our solar system. Most of them are in single-star systems, ...

For the first time, scientists have found strong evidence of a "polar planet"—a planet whose orbit is tilted at 90 degrees compared to the orbit of its two host stars. The discovery, made using the ...

Further studies are needed to determine whether K2-18b, which orbits a star 120 light-years away, is inhabited, or even habitable.

How Alpha Centauri Might Send Objects Our Way “We know from our own solar system that giant planets bring a little bit of chaos to space. They can perturb orbits and give a little bit of extra boost ...