The Hubble Space Telescope celebrates 35 years of groundbreaking discoveries, stunning imagery, and a lasting impact on ...

Super-Earths, larger planets similar to Earth, are far more common across the universe than scientists previously believed, ...

At a frigid -125 degrees Fahrenheit (-87 degrees Celsius), WD 1856+534 b is the coldest planet ever directly observed, ...

An exoplanet discovered in 2020 contains the coldest temperatures ever measured on a planetary body, according to scientists.

These May nights provide the skywatcher impressive views of galactic clusters unimpeded by the Milky Way, the chance to study exoplanets and the opportunity to refresh one’s perspectives.

A team of astronomers claims to have sniffed out a “biosignature” in the atmosphere of a distant planet called K2-18b. But ...

Exoplanet super-Earths are more prevalent in the universe than earlier research predicated according to international ...

"If the ultimate result of this story is that the public is more circumspect about future claims of life detection, that's ...

In 2020, astronomers detected WD 1856+534 b, a gas giant that orbits a star 81 light-years from Earth. This exoplanet, which ...

Astronomers published evidence of possible biosignatures on the planet K2-18b earlier this month, but another look at the ...

Comets that have hit Earth have been a mixed bag. Early in Earth's history, during the solar system's chaotic beginning, they ...