The solar system has many more moons than the one we can see in the sky. But how many do we actually know about? And how many more are waiting to be discovered? New images from the Hubble telescope ...

NPR's Ari Shapiro talks with astronomer David Jewitt about what we can learn from the third interstellar object to have entered our solar system, a comet-like object known as 3I/ATLAS. A remarkable ...

Aug. 18, 2025 — With its two tiny CubeSats, NASA’s PREFIRE mission is capturing invisible heat escaping from Earth, offering clues to how ice, clouds, and storms influence the climate system. The ...

The Solar System is the name given to the part of space that surrounds the Sun. Even though it is bigger than anything we can imagine, the Solar System is actually a very tiny part of the universe.

If you look up on a clear night, the brightest and largest object in the sky will probably be the moon. And unless you have a decent telescope, it is the only natural satellite you can see with your ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. First imaged by NASA's Mariner 9 spacecraft in 1972, Valles Marineris has been captured by the ...

Our sun is about five times less magnetically active than other sunlike stars—effectively a special case. The reason for this could reside in the planets in our solar system, say researchers at the ...

A new image has revealed the clearest glimpse yet of an interstellar visitor zipping through our solar system.Video above: Astronomers discover how planets formThe Hubble Telescope and its Wide Field ...

Did you know our entire Solar System is cocooned inside a giant protective bubble, known as the heliosphere? Created by the perpetual outflow of charged particles from the Sun, called the solar wind, ...

Two colossal plasma fountains tore away from the sun in a breathtaking double blast, one of the most impressive eruptions this solar cycle. Tidal forces from Earth, Venus and Jupiter may help keep the ...

NASA has issued a chilling update on the mysterious 'interstellar object' racing through our solar system. The visitor from another star, dubbed 3I/ATLAS, was first spotted on July 1 as it reached 420 ...