Noise pollution becoming a problem in the United States as protected areas become noisier.
Newest drug trend is among the most dangerous yet.
Scientists are now in the process of eliminating HIV virus in lab mice - could apply the same for humans in the future.
Humpback whales interfere with orca hunting season in Monterey Bay, California.
Eta Aquarid meteor shower to grace the skies in its peak this weekend. Eta Aquarids are actually dust and debris left by Halley's Comet.
Triplets born with rare condition is 1 in 500 trillion, according to doctors.
Young adult elephant male attacks newborn calf in disturbing footage.
The Trump Administration loosens restrictions on school lunches mandated by former President Barack Obama.
CAssini re-establishes contact with Earth after diving between Saturn and its rings.
More and more people are now supporting marijuana legalization.
Female dragonflies do not like being coerced into sex -- they even go as far as fake their deaths to avoid aggressive males.