Matching dinosaur footprints found more than 3,700 miles apart
Dramatic images show lava spew from huge volcanic fissure in Iceland
Joro spiders seem to know how to stay chill in big cities, study finds
SpaceX to launch private Crew Dragon flight around Earth's poles
Horseshoe crabs: Ancient creatures who are a medical marvel
Drones setting a new standard in ocean rescue technology
NASA readies backup plan if Starliner crew landing ruled out
Discovery of "hobbit" fossils suggests tiny humans once roamed Indonesia
