NASA's Viking 1 mission blazed a crucial trail with its Mars landing on July 20, 1976. Now, half a century later, that trail ...

Scientists say new technologies have reopened the debate over whether Mars could someday be terraformed, turning a once ...

Whenever the universe is threatened, there are plenty of iconic superhero teams in addition to the Avengers who can save the day.

This video takes viewers on a cinematic voyage to some of the most extraordinary and extreme planetary systems discovered in ...

NASA Administrator Jared Isaacman revealed the agency possesses unexplained images of unidentified objects and suggested Mars ...

Sagan's team created the greatest puzzle of all time, which you can only solve if your species understands the basic nature ...

For a world to maintain an atmosphere long enough for life to gain a foothold, it seems it needs to be at least as big as ...

A new policy paper proposes a lunar biocontainment facility for extraterrestrial samples. This secure lunar laboratory would analyze samples before Earth transport. Such a system significantly reduces ...

Avi Loeb’s White House panel has asked the Pentagon for videos and files on unexplained aerial sightings ...

Ever so slightly bigger than Earth, the exoplanet LHS 3844b orbits its parent star, LHS 3844, a red dwarf 48.5 light-years ...

Eventually, we'll launch a mission dedicated solely to studying an interstellar object. When that day comes, which one should we look at first?

Credit: NASA Titan’s resources could one day make Saturn’s largest moon a major outpost for deep space exploration. Titan is ...