A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

Our solar system is a smashing success. A new study suggests that from its earliest period—even before the last of its ...

This video follows NASA’s Voyager 2 spacecraft as it journeys beyond the heliosphere—the boundary where the Sun’s influence ends and interstellar space begins. It explores the probe’s discoveries ...

We all need some space sometimes—but it's harder to find than you might think. How far into our universe do we have to go to ...

The startup Reflect Orbital aims to keep solar farms running at night by reflecting sunlight from space and has sparked ...

Alien: Earth suggests a future where consciousness isn't confined to the body you're born in, but is this a realistic ...

Image specialist Andy Saunders on mining NASA's archives for the ultimate record of America's early space programs ...

When news first broke that a foreign body, nicknamed Atlas, had drifted into our solar system from the deep unknown, the story ignited imaginations across the world. Unlike the countless comets and ...

Cambridge scientists have uncovered a hidden quantum mechanism in an organic semiconductor that could revolutionize solar ...

As part of its 50th anniversary celebration, Poynter presents “Moments of Truth: An Exploration of Journalism’s Past, Present and Future.” This traveling pop-up exhibit traces the evolution of ...

Two recent studies used seismic data from NASA’s retired InSight mission to shed light on what lies beneath Mars’ surface and what it means for the planet’s history The spacecraft will map the ...

A new analysis estimates that the asteroid belt is steadily losing mass each year, and may not be as permanent a feature of ...