Mars is the fourth planet from the sun and has a distinct rusty red appearance and two unusual moons. The Red Planet is a ...

The rusty world is full of mysteries—and some of the solar system's most extreme geology. Learn more about Earth's smaller, colder neighbor.

As the United States prepares to celebrate its 250th anniversary, the history of the solar system tells its own story of ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A massive explosion on the surface of the sun is expected to cause ...

This summer, scientists spotted an incredibly rare visitor to Earth’s solar system—a comet, now known as 3I/ATLAS, that entered our solar system from the galaxy beyond and is zipping past the sun at a ...

Along with other recent discoveries, the new finding from Perseverance boosts the case that Mars once hosted conditions that ...

This recording was made on 18 November 2020 by the Heliospheric Imager (SoloHI) camera on board the ESA/NASA Solar Orbiter spacecraft. Three Solar System planets are visible in the foreground: Venus ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Six of our cosmic neighbors are expected to line up across the night ...

Ask someone on Earth for the time and they can give you an exact answer, thanks to our planet’s intricate timekeeping system, built with atomic clocks, GPS satellites and high-speed telecommunications ...

The Solar System is far more diverse in size than it appears from Earth. From tiny rocky worlds to massive gas giants, each ...