Research findings are available online in the journal arXiv. The original story " Astronomers find an ultra-dense mega-Earth ...

B142 and B143 are to the upper right of Tarazed. They make an “E” shape in the sky; fitting because American astronomer E. E.

A planet has been found defying normal categorization by having a mass 23 times that of the Earth, but little to no ...

Observations of Exoplanet WASP-69b has uncovered a 350,000-mile-long comet-like tail. The tail is a result of its escaping ...

The southwest, where SpaceX and Blue Origin have homes in Texas and Virgin Galactic is active in New Mexico, has become central in a rocket launch surge.

Despite this object lesson right on our interplanetary doorstep, the “Earth-like” term endures. Even if we expand what we ...

GJ 523b is a confirmed rocky mega-Earth about 23 times Earth’s mass, giving astronomers a new test case for planetary ...

The planet, named GJ 523b, is around 170 million years old and more than 2.5 times the size of Earth. It has approximately 23 ...

Found in the northern sky, GJ 3378b is a potentially rocky world with liquid water on its surface, receiving 90% of the ...

Scientists have found a massive rocky world far beyond our solar system that is more than 20 times the mass of Earth.

Scientists propose a universal test that could detect alien life without assuming it resembles any biology found here on ...

Earth’s neighbor still has secrets that science is trying to figure out, and one of them is potential signs of life.