SpaceWhat is the June solstice and what causes it? 21 June is the summer solstice, or longest day, in the northern hemisphere and the winter solstice, or shortest day, in the southern hemisphere News
LifeAncient reptiles' long necks made them vulnerable to decapitation Extremely long necks probably helped ancient marine reptiles ambush prey in murky waters, but also made them easy targets for decapitation by predators News