Astronomers used James Webb Space Telescope data to determine the density of the universe's most mysterious "stuff." ...

The views of the setting sun are just as spectacular from space as they are on Earth.

International Space Station, where astronauts have lived and worked for 25 years, is visible to us on Earth. How to see it ...

A February moon offers a practical preview of where to look for March's total lunar eclipse.

From collapsing glaciers and retreating lakes to exploding cities and intensifying fires, satellite images reveal how quickly Earth is changing. This video explores striking before and after views ...

Scientists continue to mine data gathered by NASA's Kepler Space Telescope, retired in 2018, and continue to turn up ...

Coronagraphs are telescopes equipped with an occulting disk to block out the overwhelming radiation emanated from the visible surface of the Sun, along with optical stops and filters that are ...

When a solar storm strikes Earth, it can disrupt technology that's vital for our daily lives. Solar storms occur when ...

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

Getting into space has never been cheaper thanks to private firms and reusable technology. That has sparked something of a ...