In regressive evolution, organisms lose complex features and can appear to evolve "in reverse." But evolution doesn't retrace its steps, experts said. When you purchase through links on our site, we ...

Co-led by Guojie Zhang from Centre for Evolutionary & Organismal Biology at Zhejiang University, Dong-Dong Wu at Kunming Institute of Zoology, Xiao-Guang Qi at Northwest University, Li Yu at Yunnan ...

NASA is contributing to the One Million Acts of Science event, which seeks to encourage people to participate in various scientific projects and rack up one million individual contributions by the end ...