Add Yahoo as a preferred source to see more of our stories on Google. An illustration depicts what the surface of one of the exoplanets orbiting Barnard's Star may look like. The other three planets ...

Alexander Venner picked his way by hand through the data collected by a now-retired NASA telescope called Kepler, which ...

A new machine learning model has predicted that there are 44 Earth-like planets in other star systems in the Milky Way galaxy, with researchers from Switzerland claiming that the algorithm at the core ...

A new discovery in the search for Earth-like exoplanets has just been published in The Astrophysical Journal Letters on January 27, 2026, revealing a promising yet cold candidate: HD 137010 b. Located ...

New research from ETH Zurich challenges the long-held “follow the water” rule in the search for extraterrestrial life. Scientists argue that a planet’s habitability depends on a narrow chemical ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Illustration of the Earth-like exoplanet Proxima Centauri b orbiting the star Proxima ...

NORFOLK, Va. — Each planet in our solar system takes a different amount of time to complete one orbit around the sun. For example, Mercury, being closest to the sun, takes just 88 Earth days to ...

A newly identified Earth-sized exoplanet with a year-long orbit may lie near its star’s habitable zone, but extreme cold could limit its chances of hosting liquid water.

Scientists have long debated whether most of Earth's vital liquid was delivered via icy comets or was homemade ...

"At this point, we can rule out TRAPPIST-1d from a list of potential Earth twins or cousins." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.