The Latest Breaking News from Radiation

An entire universe made of 'dark' particles could exist within our own, and astronomers may know the first place to look: In the mysterious hearts of supposed 'mirror stars'.

From a surprisingly active solar cycle to finding evidence of ancient superflares and solar auroras, here are the most exciting discoveries about the sun made this year.

A group has been formed to study and promote a space-based sunshade as a method to help fend off global climate change.

Sunburn is a sign that skin has experienced significant levels of damage. Ultraviolet light can change a person’s DNA structure, which can lead to cancer. At the same time, choosing from the multitude of modern sunscreens can be overwhelming. Health & Medicine editor Nadine Dreyer asked dermatologist Bianca Tod what…

CT scans can cause cancer risks, but study suggests even low doses have small probability.

On Dec. 14, a 2.8 magnitude X-class flare exploded from the sun, triggering radio blackouts on Earth and unleashing a CME that could also hit our planet in the next few days. It is the most powerful solar flare in more than six years.

Hot Jupiters are gas giants so close to their star that the star's heat and radiation can blow the planets' atmosphere away.

Supermassive black holes glow in the same way no matter their appetite, and that could be a huge clue to their relationship with their host galaxies.

Cracks in ponds holding highly radioactive fuel rods lead to safety fears