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

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 ...

Astronomers have now confirmed over 6,000 exoplanets orbiting distant stars, marking a significant milestone in humanity’s quest to understand planetary systems beyond our own. According to Space.com, ...

The US, China, India, Europe and Japan all have exciting missions on the horizon in 2026. Many of them are collaborative ...

Of the seven Earth-sized worlds orbiting the red dwarf star TRAPPIST-1, one planet in particular has attracted the attention of scientists. This planet orbits the star within the "Goldilocks zone"—a ...

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 ...