S7,Ep18Jan.2019NightmaresofNeutronStarsNeutronstarsarestrangeandviolentphenomenathatdefythelawsofphysics,andnewdiscoveriesrevealthatthesebizarrenightmaresarefarmoredeadlythanpreviouslybelieved,withthepowertodestroyplanetsandevenotherstars.WhenSupernovasStrikeS7,Ep215Jan.2019WhenSupernovasStrikeSupernovasaretheviolentdeathofgiantstars,andnewdiscoveriesrevealthatthesecataclysmiceventscreatetheelementsthatareessentialtoalllifeintheuniverse.TheInterstellarMysteriesS7,Ep322Jan.2019TheInterstellarMysteriesDiscoveriesaboutinterstellarspace,thespacebetweentheuniverse'sstars,revealthatit'snotemptyandunremarkableaspreviouslythought,butfilledwithweirdobjectsandstrangephenomenathatmightholdthedarkestsecretsofthecosmos.HowBlackHolesMadeUsS7,Ep429Jan.2019HowBlackHolesMadeUsBlackholesarenottheviolentmonsterspeoplethinktheyare,andnewdiscoveriesrevealthattheymighthavebeenessentialtocreatingstars,givinglight,andbuildingtheuniverseitself.SecretWorldofNebulasS7,Ep55Feb.2019SecretWorldofNebulasNebulasarethestrangestructuresofcosmicgasanddustwherestarsarebornanddie,andnewdiscoveriesrevealthesecretsofthesemysteriousplaces.DidtheBigBangReallyHappen?S7,Ep612Feb.2019DidtheBigBangReallyHappen?NewdiscoveriesarecausingastronomerstoquestioniftheBigBangreallyhappened,andusingthelatestscience,theyinvestigateifitwasn'tjustthestartofouruniversebutmanymysteriousmultiverses.BattleoftheDarkUniverse.S7,Ep719Feb.2019BattleoftheDarkUniverse.Darkmatteranddarkenergyarelockedinanepicbattleforcontrolofthecosmos,andthewinnerwilldeterminethefateoftheuniverse.Newdiscoveriesmightrevealwhichforcewillemergevictorious.HuntforAlienLifeS7,Ep826Feb.2019HuntforAlienLifeThelatestdiscoveriessuggestthatwemightbeonthevergeofdiscoveringlifebeyondourplanet,andscientistsareinvestigatingifearth'slifebeganelsewhereintheuniverse,andwhetherweneedtoevolvetoknowforsure.FindingtheNewEarthS7,Ep95Mar.2019FindingtheNewEarthNewdiscoverieshaverevealedthousandsofexoplanetsbeyondthesolarsystem.Someresembleearthenoughthatonecouldbeanewhomeforhumanity.Evenwithcutting-edgetechnology,findingtheperfectoneisthescientificchallengeoftheage.Cassini'sFinalSecretsS7,Ep1012Mar.2019Cassini'sFinalSecretsFortwentyyears,NASA'sCassinispacecraftrevealedthestrangesecretsofSaturnuntilitvaporizedinitsatmosphereinablazeofglory.Buttodayitslegacyliveson,asfreshdatafromtheprobehelpsscientistsmakebrand-newdiscoveries.收起