In a major milestone in the search for life on other planets, astronomers have detected, for the first time, an atmosphere ...

The search for life beyond Earth has marked a new discovery — evidence of an atmosphere on an Earth-like planet beyond our ...

A rocky world orbiting within its star’s habitable zone may be surrounded by a helium-rich atmosphere, providing the ...

Currently, the closest exoplanet to Earth is Proxima Centauri b, which orbits the star Proxima Centauri, located 4 ...

The new goal of the revamped program was to study the outer solar system and the interstellar medium beyond the sun’s ...

There may be a warp in the Kuiper Belt, possibly caused by “Planet Y” — a Mercury-to-Earth-sized world that orbits the sun way beyond the orbit of Neptune. Is there a mysterious “Planet Y” orbiting ...

While life on Mars (and Venus) has long been an obsession for those wondering if we're alone, there are other places in our ...