Outside Earth's protection, space travellers will be routinely exposed.

Eating ultra-processed foods could lead to an increased risk of being diagnosed with precancerous colorectal growths for women under 50, according to new research.

The world's climate leaders are conceding that Earth's warming will shoot past a hard limit they set a decade ago in hopes of keeping the planet out of a danger zone. United Nations officials, scientists, and analysts are pinning their hopes on eventually forcing global temperatures back below the red line they set in the 2015 Paris Agreement, which sought to limit warming to 1.5 degrees Celsius (2.7 Fahrenheit) since preindustrial times. In the way climate science uses the term, it doesn't me