And unless you have a decent telescope, it is the only natural satellite ... big enough to be considered planets in their own right. So exactly how many solar system moons have we found?

For a few evenings around 28 February, every planet in the solar system will be visible in the night sky, thanks to a rare great planetary alignment. Here's how to make sure you don't miss this ...

The team's research indicates the Solar System's passage through the Orion region occurred between approximately 18.2 and 11.5 million years ago, with the most likely time between 14.8 and 12.4 ...

Mar. 17, 2025 — The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet system 130 light-years away ...

Astronomers have captured direct images of exoplanets in a star system 130 light years away, providing clues on gas giant ...

Seven other planets in our solar system will be visible in what's called a Parade of Planets. According to NASA, the term "Parade of Planets" is not scientific but rather an informal way to ...

Now every other world in our solar system will be visible ... director of science at Lowell Observatory in Arizona, an alignment of seven planets is neither mystical nor particularly rare.

The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet system 130 light-years away that has long been a ...