Aliens may not be green after all. New research suggests entire planets could appear purple, changing how scientists detect ...

Scientists have discovered a potential new planet that may surpass Earth in habitability. This video explores the ...

How would people react if an alien civilization actually made contact with us? Space.com talked to experts, who shared a ...

What would alien life from another planet be like? But we rarely ask the opposite: What would they think of us?

UFOs have intrigued people for decades, with sightings and investigations dating back to the first widely reported one in ...

TOI-4616 b is an Earth-sized exoplanet orbiting an M-dwarf that offers a strong benchmark for studying atmospheric loss and ...

Saturn’s magnetic field isn’t the smooth, symmetrical shield scientists see around Earth. Instead, it’s noticeably skewed, ...