Easy: Venus is the weirdest planet in the solar system. The most distant major planet from the sun and the last stop before ...

Rather than slowly condensing over millions of years, the first building blocks of Earth and other planets may have formed ...

The discovery, made using Nasa's James Webb Space Telescope (JWST), is being hailed as a significant leap in our ability to ...

The LHS 1903 system defies expectations with a rocky outer planet, prompting new ideas about how planets form and evolve.

Add Yahoo as a preferred source to see more of our stories on Google. An artist’s concept shows the inner regions of a ...

The solar system looks stable — but it’s actually a delicate balance of gravity. Every planet plays a role, even the small ...

Scientists have discovered unexpected water-ice clouds on a distant, Jupiter-like exoplanet, challenging current atmospheric ...

Astronomers have long been puzzled by a cosmic mystery: planets orbiting two stars—like Star Wars’ Tatooine—are surprisingly rare, even though they should be common. New research suggests the culprit ...

NASA unveiled a new telescope on Tuesday to scan vast swaths of the universe for planets outside our solar system and probe ...

The Mars Moons eXploration spacecraft will fire its thrusters to maneuver into orbit around Mars (depicted in this digital ...

The Roman, with massive solar panels, will be transported to Florida ahead of a launch into space. Read more at ...

A new study suggests that the comet that rambled past us from another star last year likely originated in a cold, isolated ...