The killer whale featured in the 2013 "Blackfish" documentary has died.
The ISS never runs out of interesting stuff.
Alien expert claims that aliens may have influenced Christianity.
Cheetahs, tigers, leopards and lions shouldn't be kept as pets.
The new film "Hidden Figures" depicts NASA's hidden history.
Marijuana Anonymous attendees have been struggling to quit smoking weed.
A tour guide recorded strange noises coming from aurora borealis.
NASA selects black holes and neutron stars for its next Explorers Program mission.
Better get your tickets before they are all out.
Rare photos of Titanic show that the iceberg wasn't the only one responsible for the shipwreck.
Biblical artifacts were featured in new Israeli tour.
Wildlife conservationists have listed more than 82,000 species racing towards extinction.
