A California startup wants to bounce sunlight from orbit onto Earth after dark, and the idea is stirring up serious debate.

We’re living through something truly special right now. While most of us go about our daily routines, scientists, engineers, ...

Astronomers found an iron bar in the Ring Nebula that doesn't match any known stellar phenomenon. Scientists can't explain ...

One of the most stubborn issues in cosmology today concerns the universe's rate of expansion. Scientists know it's expanding, ...

"It's like watching a cosmic volcano erupt again after ages of calm — except this one is big enough to carve out structures ...

Mars today is a frozen, dusty desert. But if you look deep inside Valles Marineris, the largest canyon system on Mars and in ...

I have been writing about the Giant Magellan Telescope for a long time. Nearly two decades ago, for example, I wrote that ...

Looking for a planetarium in Cyprus? Learn where it is, what visitors can experience, and why it matters for education and ...

The James Webb Space Telescope captured a colorful portrait of a nearby stellar cradle, revealing a wealth of insights about ...

The James Webb Space Telescope captured infrared light from a black hole and gave scientists unprecedented insights into the object's structure.

An international research team using China's Five-hundred-meter Aperture Spherical radio Telescope, or FAST, has found some ...

While imperceptible to humans, these tiny delays are significant for experiments that rely on pulsars as ultra-precise cosmic ...