Scientists may have just taken one of the biggest steps yet in the search for life beyond Earth. Meet K2 18 b, a distant ...

Claims that aliens are already here are everywhere, but proving them is another matter. The strongest cases become more ...

Astronomers using the James Webb Space Telescope have discovered that a distant alien planet's atmosphere is surprisingly lopsided. Located 1,300 light-years away, the scorching gas giant WASP-17b ...

This summer, exoplanet science — the study of planets orbiting stars beyond our sun — took a big step forwards. Reports of helium gas escaping from the atmosphere of LHS 1140b propelled this exoplanet ...

Scientists scour hydrothermal vents and replicate Mars’ atmosphere to understand how life may exist on other worlds.

Japanese space agency JAXA has successfully launched a mission to visit the moons of Mars — and bring a sample back to Earth.

The story we are covering this timeThe story we are covering this time is episode 2 of "Ultraman," "Shoot the Invader."One ...