For the last month and change, you might've seen the headlines about the planetary alignment, or a planetary parade, going on in our solar system. And that's true. In January 2025, Venus, Mars, ...

While most planets that we are familiar with stick relatively close to their host star in a predictable orbit, some planets ...

Planets larger than Earth but smaller than Neptune are the most common kind in the galaxy, but because our solar system lacks such a planet, scientists don’t know much about how they form. Astronomers ...

Scientists have discovered a rogue planet roaming the Milky Way after combining observations from Earth and a space telescope ...