This new image of a portion of the Helix Nebula from NASA’s James Webb Space Telescope highlights cometlike knots, fierce ...

Within the image, thick clouds of cold hydrogen gas arrange themselves into ridges and wispy filaments. The deep red tones ...

Earth has been struck by its strongest solar radiation storm in over 20 years, triggering rare aurorae far from the poles and ...

Far from Earth, a small robotic explorer has just delivered a surprise that planetary scientists have never seen up close ...

Floridians may now be able to spot the towering Space Launch System rocket, which will propel four astronauts on a journey ...

Scientists warn that certain asteroids could become more dangerous upon entering Earth, potentially complicating asteroid ...

NASA’s Artemis II Moon rocket is now at the launch pad, setting the stage for final prelaunch tests. The mission will send ...

A key antenna in NASA’s Deep Space Network (DSN) that was damaged last fall is expected to remain offline until May.

The sun sure has woken up this week, unleashing a powerful X-class solar flare on Jan. 18 that hurled a colossal, fast-moving ...

A solar radiation storm marks the release of intense, rapidly-moving charged particles toward Earth and can impact space launches, aviation and satellite operations. The last time severe solar ...

As part of the 'Our Fragile Space' exhibition, Alexander took long-exposure photographs of the sky to illustrate the number ...