Astronomers have peered into an alien planet's atmosphere and found extreme weather unlike anything in the solar system.

The controversy endures over Pluto's true status, but the solar system underdog continues to capture hearts across the globe.

Mississippi stargazers will be able to see 4 or 5 planets in the night sky with their naked eye this month. Will you be able ...

Feb. 18 marks the 95th anniversary of the discovery of our outermost planet-not-planet. Here's what to know about the short ...

Scientists have peered through the atmosphere of a planet outside our solar system and discovered weather patterns "like ...

Aimed at the nearby star PDS 70, the James Webb Space Telescope is watching newborn planets take shape before our eyes in ...

Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system.

An object we thought belonged to the most common category of planet in the galaxy has turned out to be something we've never ...

Alpha Centauri is the star system closest to our Solar System, and it is likely that particles from it could be making their ...

This may explain the strange properties of the orbits of our solar system's planets, which are not quite ... astrophysics has long been to figure out how the orbits later became out-of-round ...

All of our solar system’s planets are lining up to parade through the night sky at once. This extraordinary celestial event will see the sky scattered with seven visible planets in what is known ...

Astronomers have peered through the atmosphere of a planet beyond the Solar System, mapping its 3D structure for the first time. By combining all four telescope units of the European Southern ...