Isotopic fingerprints in lunar, terrestrial, and meteorite samples show Theia formed in the inner Solar System, likely near ...

“Impact flashes on the moon are very common,” University of Colorado Boulder astrophysical and planetary sciences professor ...

A camera aboard India’s Aditya-L1 spacecraft captured the Earth and moon. The spacecraft launched atop a PSLV rocket. Credit: ...

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

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

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.

Losing the Moon would shrink tides, disrupt coastal ecosystems, affect nocturnal predators, and destabilize Earth’s tilt, ...

Downtown Dawson Creek isn’t where you might expect to take a tour of the history of the Space Race. But hidden inside an ...