Gravity causes matter to clump together, forming everything from stars to planets. Accretion disks form when material swirls around a central object due to conserved angular momentum. Magnetic fields ...

It appears that we live on the knife-edge, where only the narrowest combination of values for the fundamental constants allow life, and especially conscious life, to arise. When you purchase through ...

After scientists created oxygen-28 in the lab, it almost immediately degraded, baffling physicists around the world. When you purchase through links on our site, we may earn an affiliate commission.