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The remains of an 11 million-year-old ape suggest that our ancestors started to stand upright millions of years earlier, according to scientists.

A new study warns that even if countries curb their carbon emissions pledge as part of the historic 2015 Paris climate agreement, sea levels will continue to rise.

A Revolutionary War rifle that was stolen in 1971 and discovered at a barn sale almost 50 years later is now back on display after being reunited with its owner.

Speaking at the International Astronautical Congress in Washington last month, Massachusetts Institute of Technology astronomer Sara Seager said it's going to be a long slog in finding an advanced civilization in space.

The National Oceanic and Atmospheric Administration posted an eery image of its remotely operated vehicle Deep Discoverer being watched by a giant squid in an unspecified part of the ocean.

NASA's Mars Curiosity rover has posted a stunning black and white image of the Red Planet, shedding new light on just how empty it is.

Archaeologists have identified the remains of a stone wall in Iran about the length of the famous Hadrian's Wall that was built across England by the Romans. 

Fishing crews to blame for much of the plastic in the world's oceans, Greenpeace says

The massive scope of damage from California's Kincade Fire can be seen from space in a disturbing new satellite image.

Earth is facing a "climate emergency," a group of more than 11,000 scientists declared in a statement on Tuesday.

And you thought getting to the polls was a hassle because it's a couple of miles from home.

A dozen bottles of fine French wine arrived at the space station Monday, not for the astronauts, but for science.

Nearly 1 million "cannibal" ants have been found trapped in an abandoned Soviet-era bunker in Poland used to store nuclear weapons, according to a new study. The insane insects, which have been trapped "for years," have resorted to eating the corpses of their dead brethren to survive.

Scans of an ancient cat mummy revealed that the 2,500-year-old feline supposedly resting within the wrappings wasn't a single animal. Instead, the mummy held the partial remains of three cats, according to new findings. 

An asteroid slightly smaller than the largest structure in the U.S. is slated to harmlessly zoom past Earth later this month.

Mercury may be in retrograde, but an even rarer celestial occurrence will happen this month when the first planet in the Solar System passes across the Sun, an event known as Mercury Transit.

A new study suggests that instead of life originating in a "warm little pond" as Darwin believed, it may have come from deep-sea hydrothermal vents, an idea that could hold significance for extraterrestrial life.

We could go to Venus tomorrow with the technology we have today, urged a NASA scientific advisory group, and the group's members would like to get a mission off the ground as soon as possible.

Deforestation's contribution to climate change is vastly overestimated, a new study concludes.

The universe may actually be curved, like a giant inflated balloon, a new study claims.