Staring at the sun—a close (but safe) look at our home star Staring at the sun ... Free learning activities and videos about the solar system Free learning activities and videos about the ...

The real one is more random ... He began to suspect that our solar system’s history had been anything but smooth—that it had somehow endured a “global gravitational instability,” as ...

Discover how a giant interstellar cloud known as the solar nebula gave birth to our solar system and everything in it. The solar system as we know it began life as a vast, swirling cloud of gas and ...

Here’s how it works. Astronomers have discovered two new exoplanets that are similar to other worlds found in the Milky Way, but are unlike any in our own solar system. The two exoplanets ...

"We're trying to encounter an astronomical object that streaks through our solar system just once and we don’t want to miss the opportunity." In 2017, scientists spotted our solar system's first ...

They also orbit near their stars, in many cases closer than Mercury is to the Sun. Our solar system, in contrast, appears to be different. “[Planetary scientists] have thought our solar system ...

Watch this video to find out more about the Earth, planets in our Solar System and other planets far off in outer space. From up here on the International Space Station I get a great view of Earth.

So, what if I told you that astrophysicists think there's one lurking in our very own solar system? Reporter: Then a new discovery rocked the astronomical world to its foundation. Narrator ...

A giant wave of undulating gas and dust appears, per new research, to have engulfed our Solar System millions of years ago. Now, University of Vienna doctoral student Efrem Maconi thinks that our ...

Discover the Sun’s incredible heat, its layers, and what fuels it. Explore ExtremeTech’s in-depth article and get closer to ...

Everyone knows about the Solar System, and the planets that make it up. They’re in space, orbiting the Sun, in an order we all at least used to be able to recite. But it was not always so.

Between February 25 and February 28, all seven planets in our solar system will be visible in the ... Lynchburg city leaders ...