When astronomers announced Kepler-452b, they were not just adding another distant world to a growing catalog. They were ...

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

— -- Astronomers on Monday reported the discovery of an Earth-like planet outside the solar system whose size and distance from its own star put it in the "habitable" zone and make for a surface ...

This artist’s impression shows a sunset seen from the super-Earth Gliese 667 Cc. Astronomers have estimated that there are tens of billions of such rocky worlds orbiting faint red dwarf stars in the ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. An artist's impression of TRAPPIST-1d transiting its star, seen from up close. Two other worlds, ...

Spotting Earth-like planets is nearly impossible with conventional telescopes, but researchers propose a bold fix: a rectangular design that can separate a planet’s faint glow from its blinding star.

If Earth-like planets require an extremely rare supernova encounter, then water-depleted rocky planets might be exceptional. But if cosmic-ray immersion is sufficient—and common—then the conditions ...

"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.