Scientists announce detection of compounds on an extrasolar planet that on Earth only produce living organisms, but other ...

Astronomers have discovered the weirdest planetary system ever seen, consisting of a planet rolling around rare binary ...

Imagine setting out for a springtime stroll. Not here on Earth but on some distant planet — call it Novathis-458b — orbiting ...

Nowhere to be seen—at least not yet—is a solar system like ours, with solid planets near the sun and gas-giant planets ... tugged by the gravity of unseen bodies orbiting around them.

Imagine standing on the surface of Earth, feeling the wind on your face and watching clouds drift across the sky. Have you ...

The thin, outermost ring in the photo is composed of particles shepherded by the gravity of two moons orbiting around it.

An astonishing discovery from the James Webb Space Telescope may rewrite our understanding of the Universe’s early years. A ...

The robotic Cassini spacecraft which is now orbiting Saturn looked back toward the eclipsed Sun and saw a view unlike any other. CICLOPS, JPL, ESA, NASA We've been looking at other planets through ...

In a memorable image from the 1977 film "Star Wars," the young hero Luke Skywalker gazes at two suns setting above the ...