To scientists, asteroids are cosmic time capsules. They’ve remained mostly unchanged since the solar system’s birth, making them perfect subjects for understanding how planets—and even life—came to be ...

Hubble’s crystal-clear look at NGC 1786—an ancient globular cluster tucked inside the Large Magellanic Cloud—pulls us 160,000 light-years from Earth and straight into a cosmic time machine. Packed ...

Where starlight doesn't reach, new things are born: For the first time, an international research team has directly measured the effect of cosmic radiation in a cold molecular cloud. The observation ...

From the fall of an apple to the glow of the farthest known star, gravity quietly choreographs almost everything that happens in the cosmos. It shapes planets and people, bends light into celestial ...