A powerful flare unleashed a severe solar storm that caused auroras and GPS disruptions on Earth.

For much of the past decade, Andrew McCarthy has been exploring the universe—albeit from his backyard in Arizona. Using telescopes with specialized filters, planetary cameras, and astro-specific ...

An Arizona-based astrophotographer has pulled off what may be an unprecedented feat in photography: capturing a skydiver in free fall perfectly aligned with the surface of the sun. Andrew McCarthy, ...

Safe solar observation is achievable through specialized eclipse glasses and telescope filters, enabling direct viewing of the Sun's dynamic surface. White-light filters, categorized as glass or film, ...

Sunburn and heat exhaustion aren’t the only reasons to avoid too much sunshine this summer: Going gray is another consideration. Hair strands, which grow out of glands called follicles, can't change ...