From punching out aliens to serious dramas about individual resilience, these are the 33 greatest Will Smith movies.

The exoplanet HD 20794d swoops in and out of its habitable zone every few hundred days, making for an extreme climate.

Though the planets are always “aligned,” seeing more than four in the sky is more uncommon. February’s lineup is a chance to ...

Exposure to traffic-related air pollution could harm the liver and potentially increase the likelihood of developing fatty ...