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.

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

Scientists who study comets are struggling to keep up with popular speculation that the interstellar object 3I/ATLAS was sent ...

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

The 3I/ATLAS comet was first spotted in July near Jupiter after it entered our solar system from another universe. Here’s ...

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's Mars Reconnaissance Orbiter used its camera to take high-resolution images of interstellar object 3I/ATLAS. We have ...

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 ...

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 ...

The study of young stars like EK Draconis has offered fresh insights into the violent activity of our Sun in its youth. By ...