Of the more than 5,000 exoplanets that have been confirmed so far and many more thousands of candidates, most orbit stars the ...

The leader of the United Arab Emirates gifted President Donald Trump the Order of Zayed -- his country’s highest civilian honor -- on Thursday. BBC Boss Tim Davie outlined a national plan to switch ...

Warmer climates than Earth’s could accelerate life’s development, potentially increasing the number of planets with more ...

Astronomers have discovered that "super-Earth" planets may exist on wider orbits than previously thought — and this implies these rocky, or "terrestrial," worlds are far more common than was suspected ...

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

We tend to think of habitability in terms of individual planets and their potential to host life. But barring outliers like ...

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

Dimethyl sulfide is cool—and a potential biosignature—but scientists are urging caution before we declare a plankton party ...

"The algorithm achieves precision values of up to 0.99, which means that 99% of the systems identified by the machine-learning model have at least one Earth-like planet." ...

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

The discovery came after a small extrasolar planet ... Any closer to a star than its habitable zone band, and a planet's liquid water evaporates. Further away, it freezes. This is why habitable ...