A landmark study of several butterfly lineages and a day-flying moth in South America shows that convergent evolution — when unrelated species arrive at the same solution — isn’t just a coincidence; ...

New research by astronomers from the University of California, Riverside, Sam Houston State University and the University of Oklahoma suggests decaying dark matter could have triggered the rapid ...

In today’s Universe, most galaxies are held together by orderly rotation. But among the largest, no-longer star-forming systems, many are instead dominated by the chaotic motion of their stars — a ...

Space debris — ranging from defunct satellites and discarded rocket stages to fragments from collisions — poses an ever-increasing threat to active spacecraft and human spaceflight. New research shows ...