Astronomers have revealed that the real center of our solar system isn't the sun. Gravity is playing a part in everything. The barycenter is the center.

While most scientists believe it’s a natural comet, one Harvard astronomer has suggested its unusual features could hint at ...

On October 29, Comet 3I/ATLAS reached its closest point to the Sun. This point, known as perihelion, was around 210 million ...

The interstellar comet 3I/Atlas reached its closest point to the sun. Here's how to follow the rest of its journey away from ...

Interstellar comet 3I/ATLAS is passing safely through our solar system. Learn about its discovery, its distant path, and why NASA is using Hubble, Webb, and more to study it.

What if we’ve been overlooking the real gem in our solar system? Scientists are starting to think Venus, not Mars, could be ...

The Oort Cloud, an expanse of icy bodies in the far reaches of our solar system, is shown here in a scene from "Encounters in the Milky Way," a show at New York City's Hayden Planetarium that spawned ...

A NASA mission to study the heliosphere—the sun's magnetic bubble that shields our solar system—and develop a better understanding of space weather was launched from the agency's Kennedy Space Center ...

With our free press under threat and federal funding for public media gone, your support matters more than ever. Help keep the LAist newsroom strong, become a monthly member or increase your support ...

NASA's IMAP mission and two other space weather probes took flight atop a Falcon 9 rocket today (Sept. 24). SpaceX just sent three space weather probes to the final frontier. A Falcon 9 rocket lifted ...

A series of three powerful flares and associated explosions of solar material out across the Solar System have set Earth ...