A newly-discovered planet named Enaiposha, GJ 1214 b, is unlike anything found in our own solar system, similar to a ...

Even at a glance, the planets in our solar system are wildly diverse. Huge and small, airless and densely packed with ...

The strangest part of the TOI-201 system is not that it holds three very different worlds. It is that astronomers can ...

Astronomers have discovered a remarkable planetary system where three very different objects orbit a distant star—and their ...

In the remote outer reaches of planetary systems, far beyond the orbit of known planets, enormous and mysterious worlds silently loop around their stars. Some drift as far as 10,000 times the distance ...

For centuries, humans have gazed at the stars, trying to understand what lies beyond the familiar planets we know. From Mercury’s blazing orbit near the Sun to Neptune’s icy edge, our Solar System has ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration showing Planet Nine, a hypothetical, undiscovered planet in our solar system. New research now suggests the ...

NEW YORK (CNN) — An exoplanetary system about 116 light-years from Earth could flip the script on how planets form, according to researchers who discovered it using telescopes from NASA and the ...

Unfortunately for science fiction fans, desert worlds outside our solar system are unlikely to host life, according to new ...