The Solar System | Astronomy.com

The interstellar object 3I/ATLAS appears as a clear but faint dot in the middle of this monochrome image, surrounded by slightly streaked stars.

Milky Way, Solar System

Astronomers race to learn more about third interstellar visitor

Comets, Solar System

Third interstellar visitor discovered racing through our solar system

Senators Kelly and Cornyn introduce resolution recognizing June 30 as National Asteroid Day

The Sun's habitable zone as a red giant

When the Sun becomes a red giant, will the outer planets and moons become more temperate?

Science, Solar System

Have astronomers found Planet Nine?

Vesta is simpler inside than previously thought

Illustration of the main belt of asteroids

Was there ever a planet between Mars and Jupiter?

Kepler-11 system

Exoplanets, Science, Solar System

Our solar system is not as unusual as we thought

Robotic Spaceflight, Solar System

Martian moon caught on camera during Hera flyby

Mars

Could Mars’ red color have formed under wet conditions?

DSCOVR image of Earth and Moon

Science, Solar System

How much less would you weigh on the Moon than on Earth?

Robotic Spaceflight, Solar System

Intuitive Machines IM-2 mission launches to the Moon