Space junk falls back to Earth faster as sunspot numbers climb
A new study links the sun’s 11-year cycle to accelerated orbital loss, with debris falling faster once sunspot numbers near their cycle peak.
Author: Carolyn Gramling
Emperor penguins are marching toward extinction. Antarctica fur seals too
Conservationists now list the penguins and seals as “Endangered.” Climate change in Antarctica has led to plunging populations.
Mummified reptile hints at the origins of how we breathe
A cave preserved two animals’ rib cages, cartilage and even traces of protein, revealing a flexible breathing apparatus like that of today’s land dwellers.