The findings reveal unusual chemical signatures and offer new insights into the behavior of novas beyond the Milky Way.

Spring equinox may be the best time to see the aurora with a peak in solar activity combining with a special effect.

Bone and muscle deterioration, radiation exposure, vision impairment -- these are just a few of the challenges space ...

If using a regular camera, National Geographic suggests using wide-angle lenses, an aperture or F-stop of four or less and a ...

Discover how iron's opacity in the sun challenges scientific models, and how researchers are working to resolve the ...