SUPERNOVA 1987ATHE CRAB SNRBIOGRAPHY: JOCELYN BELL BURNELL British, 1943-FIND OUT MOREA massive star dies in an explosion called a supernova. Only the collapsed core remains. If the core is…
CONTINENTAL ISLANDSCORAL ISLANDSISLAND ARCSFIND OUT MOREIslands are land masses entirely surrounded by water. They are found in oceans, seas, rivers, and lakes. Islands vary in size from tiny…
SOYUZ LAUNCH VEHICLEHOW ROCKETS WORKSATURN V THREE-STAGE MOON ROCKETBIOGRAPHY: ROBERT GODDARD American, 1882-1945FIND OUT MOREThere would be no space exploration without rockets, but they are…
POISONOUS FANGSKOMODO DRAGONCLASS: REPTILIAFIND OUT MOREReptiles are ectothermic (cold-blooded) animals. They cannot generate their own body heat and many bask in the sun to get warm. Tough…
MIMIC BUTTERFLYCAMOUFLAGETREE SKINK TRICKPREDATORSFIND OUT MOREAnimals have evolved many ways of protecting themselves from PREDATORS. Most use their keen senses to detect an attack and…
SPIRAL GALAXY ESO 510-G13IRREGULAR GALAXYELLIPTICAL GALAXYBIOGRAPHY: EDWIN HUBBLE American, 1889–1953MILKY WAYFIND OUT MOREStars are not scattered evenly throughout the Universe. Instead, they…
SPECIALIZED FOR SURVIVALDUNKLEOSTEUSEVOLUTION OF THE ELEPHANTNATURAL SELECTIONADAPTATIONFIND OUT MOREThe process by which changes occur in living things over time is known as evolution. The…
FERTILIZATIONWIND DISPERSALCROSS FERTILIZATIONPOLLENPOLLINATORSFIND OUT MOREThe male sex cells of seed plants (flowering plants, conifers, and cycads) are contained in tough capsules called…
