Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

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 ...

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 ...

WASHINGTON (Reuters) -In addition to providing a trove of information about the early universe, the James Webb Space Telescope since its 2021 launch has obtained valuable data on various already-known ...

One of the most promising Earth-sized exoplanets may be far more barren than its early billing suggested, with new analyses pointing to a rocky world stripped of the protective gases that make a ...

The curious minds at ColdFusion reveal NASA’s discovery of seven Earth-like planets Donald Trump announces major change for ...

JWST observations of exoplanet TRAPPIST-1d reveal a lack of a substantial, Earth-like atmosphere, as indicated by a "flat" spectral signature lacking typical atmospheric molecule fingerprints (e.g., ...

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 ...