The original moon shoot inspired billions. Calling climate action a moon shot isn’t a perfect parallel — but maybe we should try it anyway.
The Great Nebula in Orion can be seen in a stunning image released by NASA.
An entirely new class of black holes that scientists were unaware of may exist, according to a study.
California's raging wildfires have consumed tens of thousands of acres, displaced thousands and knocked out power -- but could the planet be entering a new age of fire?
The toe bone of a 39,000-year-old eagle suggests that Neanderthals made pendants and ornaments from the birds' talons.
The slow decline of Alaska's Taku Glacier has become apparent in newly released photographs shared by NASA's Earth Observatory.
A deadly virus impacting seals may be spreading faster due to the loss of Arctic sea ice from warming temperatures.
It's possible that scientists have been examining same-sex sexual behavior in animals incorrectly.
A gigantic and powerful tsunami with 49-foot waves that tossed boulders as heavy as tanks inundated Oman about 1,000 years ago, scientists say.
Insects, which pollinate flowers and break down waste, are crucial.
A small object that was discovered in what's now southern Jordan seems to be the world's oldest known chess piece.
Blue whales, which are the largest animals known to have ever existed, see their hearts skip a beat when they grab a snack.
A village in Russia's Far North has been overrun by more than 50 polar bears.
An unusual type of fish has the ability to produce entirely new species when it mates.
The full moon of December -- which is the final one of this decade -- arrives tonight just after midnight.
The Milky Way has a mass that's 890 billion times the mass of our sun.
A sandstone slab containing dinosaur footprints might also contain the track of a sailing stone, scientists announced this week.
Twelve states and the District of Columbia released a draft plan for an ambitious cap-and-trade program to curb planet-warming emissions on the region’s roads.
Archaeologists have discovered a trove of engraved jewelry and artifacts in two Bronze Age tombs that could shine a new light on life in ancient Greece.
Geologists have for the first time seen rapid ice loss at the Vavilov ice cap in the Arctic Circle.