NASA's Advanced Composite Solar Sail System (ACS3) will be visible from the ground. Find out when you can see it on the NASA ...

Ahead of 3I/ATLAS’s perihelion on October 29, Harvard astrophysicist Avi Loeb speculated that the day would be a ‘black swan ...

It wasn’t easy, bringing the stars indoors. The first show, held in Germany in 1925, used grainy footage on a small dome, but was dizzying nonetheless. Now, a whole new future looms.

The planetarium turns 100 this year. What came before the giant domes, with imagery of galaxies, asteroids and meteors ...

Mars and Mercury cozy up, the Leonids sparkle, and Saturn’s rings are…disappearing? Mars and Mercury get close for a ...

Welcome to Titusville, Florida. The Space Coast’s best-kept secret. Nestled along the Indian River with front-row seats to Kennedy Space Center, Titusville offers that increasingly rare combination in ...

Skydiver and friend of McCarthy, Gabe Brown, can be seen falling across the face of the sun in the new photograph, which the ...

Earlier this month, Google researchers released a paper about “Project Suncatcher,” the company’s research “moonshot” to ...