When evaluating possible planets out of the thousands out there, explained Prof. Bean, scientists look for liquid water as a main guiding principle. “All life on Earth needs liquid water, no matter ...

A distant gas giant the size of 10 Jupiters is now the first planet outside Earth's solar system to be mapped in three ...

Upsilon Andromeda b is another exoplanet that is probably tidally locked to its host star, completing an orbit in just under five days. What makes this planet — which was previously known as Saffar — ...

Oceans with the potential for harboring life may be hidden underneath the icy shells of 17 worlds outside our solar system, according to a recent NASA study. These findings expand the search for life ...

A recent study shows that "terminator zones" on rocky planets outside our solar system may have the potential to harbor life. Unlike Earth, these exoplanets have one side that experiences permanent ...