Ahead of its dance with Saturn on Feb. 24, Mercury should be seen on Feb. 19 at magnitude -1.2 with binoculars 20 minutes ...

In January 2025, Venus, Mars, Jupiter, Saturn, Uranus and Neptune were all visible in the night sky. And in February, 2025, ...

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

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

Right now, Mars is a reddish desert landscape – attractive but dead, and certainly not home to any little green men.

On February 28, 2025, a rare planetary parade will occur, with all seven solar system planets aligned on one side of the Sun.

Astronomers have unlocked a new way to explore alien worlds by mapping the 3D structure of an exoplanet’s atmosphere for the ...

Astronomers on Tuesday announced their observations of distinct winds in separate layers circulating on the planet named WASP ...

With an equatorial diameter of 7926 miles (12,760 kilometers), our planet Earth is the biggest of the terrestrial planets and the fifth largest planet in our solar system. It is the only planet in the ...

By combining the four giant telescopes of the Very Large Telescope, an international team has observed the exoplanet WASP-121b with unprecedented precision, revealing one of the most extreme climates ...

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

Clyde Tombaugh discovered Pluto in 1930 at Lowell Observatory in Flagstaff. Here's how Pluto won - and lost - its planetary status.