Kiev, Ukraine (CNN) — What Russia calls a humanitarian convoy into eastern Ukraine was criticized by NATO, the United States and Ukraine itself on Friday as a guise for violating its neighbor’s...

A star cluster and a nebula in the Southern Milky Way take center stage in a spectacular new image from the La Silla Observatory in Chile. The eye-popping photo, released today by the European Southern...

The face of the unprecedented Ebola epidemic is now unshrouded, stirring up talk of a global crisis and unmitigated calls for medical countermeasures. The medical community is working furiously to respond...

Lego is demonstrating this summer that role models in science and technology for girls are still fairly scarce in toy land, just as in the real world. The company stirred excitement this month by offering...

When a lizard loses its tail, it grows back. But how? Scientists have taken a big step closer to answering that question by pinpointing the genes responsible for tail regeneration. And the finding may...

U.S. Rep. Paul Ryan said Thursday he would love to see Mitt Romney run again for president and teased the GOP’s former nominee at one point that the “third time’s the charm.” Appearing...