ESA's Proba-3 mission, made up of twin spacecraft capable of aligning to create artificial eclipses, has captured "rare" ...

What’s different about this 10-day test flight is not only that it returns astronauts to the vicinity of the moon for the ...

CAPE CANAVERAL, Fla. (AP) — The astronauts evacuated last week from the International Space Station say a portable ultrasound ...

Sunspot AR3229 erupted with an X2-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple ...

Comet C/2023 P1, Nishimura visible from Earth. Credit: NASA/JPL-Caltech | edited by Space.com House Oversight Committee ...

For Suni Williams, 608 days in space was enough to call it a career. The 60-year-old NASA astronaut who flew on three ...

Astronomers have long sought evidence to explain why comets at the outskirts of our own solar system contain crystalline ...

A stunning video shared by Japanese astronaut Kimiya Yui shows gorgeous auroras blanketing the Earth's night sky.

First spotted in the early 1800s, the celestial object has become one of the most iconic planetary nebulae in the sky, often ...

Solar flares have an enormous impact on the wider Solar System. These sudden releases of energy can cause geomagnetic storms ...

Earth's magnetic field was struck by a "severe" solar storm Monday (Jan. 19), triggering vibrant auroras in the U.S. and ...

A closer look at the Helix Nebula reveals how dying stars shed material, shape space, and hint at the distant future of our own Sun.