Earth may have a moon today because a nearby neighbor once crashed into us, a new analysis of Apollo samples and terrestrial ...

Nearly 4.5 million years ago, two large, hot stars brushed tantalizingly close to Earth's sun. They left behind a trace in ...

When a meteor flashes across the night sky, it’s more than a beautiful streak of light. It’s a delivery from deep space—an ...

Outer space contains more incredible phenomenons and unsolved mysteries than anywhere else—and we think it's just fascinating. Join Hank for an incredible tour of our solar system in this SciShow ...

Eighteen California legislators submitted a joint letter on November 25 to the California Public Utilities Commission (CPUC) ...

Astronomers measure the speed at which the solar system is hurtling through space by mapping surrounding galaxies and ...

For the first time ever astronomers have witnessed a budding star system emerge for the cosmic fog. Credit: Directed by: L.

NASA is providing more images and information about the interstellar object that's passing through our solar system right now ...

"Our analysis shows that the Solar System is moving more than three times faster than current models predict," lead author ...

Portal Systems' new Supernova satellite will use sunlight and a special 3D printed thruster to heat ammonia to propel itself ...

When it was installed in 2006, Napa Valley College's photovoltaic array was the fifth largest in the U.S. Now it sits motionless among grass and weeds, a casualty of false promises, bankruptcies and a ...

The transportation secretary said data would guide the decision. He also stepped up his warnings of potential chaos, saying some airlines could ground their fleets if the shutdown continued. By Karoun ...