Astronomers have discovered an alien world that defies every planetary rule with its massive size, low density, and tilted ...
A low-density, puffy planet orbiting relatively far from a young star in a nearly perpendicular orbit. What's going on?
Experts have discovered a fluffy “alien” planet where it rains sand in stunning new observations from the James Webb Space Telescope. The bizarre-looking planet is officially known as exoplanet ...
Thirty years ago this week, two Swiss astronomers announced that they had spotted the first known planet orbiting a Sun-like ...
From deep-sea vents on Earth to frozen methane lakes on Titan, scientists are finding more parallels between alien worlds and ...
"It was just a matter of time before we found them." ...
Space scientists look back on 30 years of exoplanet discoveries — from rows of massive ‘super-Earths‘ to worlds with ...
WASHINGTON (Reuters) -In addition to providing a trove of information about the early universe, the James Webb Space Telescope since its 2021 launch has obtained valuable data on various already-known ...
We're just weeks away from this interstellar visitor reaching its brightest in Earth's night skies. Will we see it?
An alien comet passing through our solar system made its closest approach to Mars recently, and two European robotic ...