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The Latest Breaking News from Live Science

Modern humans emerged roughly 300,000 years ago, but our genus Homo is much older. So what's the oldest human species on record?

LiveScience

A braided stream, not a family tree: How new evidence upends our understanding of how humans evolved

Evidence is mounting that the evolution of our species is more convoluted than we imagined — more like a braided stream than a branching tree.

LiveScience

'It makes no sense to say there was only one origin of Homo sapiens': How the evolutionary record of Asia is complicating what we know about our species

As experts study the human fossil record of Asia, many have come to see it as telling a different story than what happened in Europe and Africa.

LiveScience

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DNA has an expiration date. But proteins are revealing secrets about our ancient ancestors we never thought possible.

Analysis of ancient proteins may fill in the gaps of human evolution left by the decomposition of DNA.

LiveScience

Human eggs have special protection against certain types of aging, study hints

A new study suggests that the mitochondria in human egg cells don't accumulate DNA mutations with age, which sets them apart from other tissues in the body.

LiveScience

Never-before-seen cousin of Lucy might have lived at the same site as the oldest known human species, new study suggests

An unidentified early hominin fossil that might be a new species confirms that Australopithecus and Homo species lived in the same region of Africa in the same time frame.

LiveScience

1,300-year-old skeletons found in England had grandparents from sub-Saharan Africa, DNA studies reveal

A DNA analysis of two people who lived in Britain in the seventh century reveals they had recent African ancestry.

LiveScience

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Amazon rainforest is approaching 'tipping points' that could transform it into a drier savanna

Researchers caution that the Amazon rainforest could disappear in the next hundred years, due to the combined effects of climate change and deforestation, and a new model predicts how that could transpire.

LiveScience

James Webb telescope reveals 'Sleeping Beauty' galaxies in the early universe — snoozing where they weren't supposed to exist

Using data from the James Webb Space Telescope, astronomers have discovered dormant galaxies with a wide range of masses in the first billion years after the Big Bang, moving one step closer to understanding how early galaxies grow.

Space

World's first artificial tongue 'tastes and learns' like a real human organ

Scientists have created the first artificial tongue that can taste, and process flavors entirely in a liquid environment.

LiveScience

What would space sound like if we could hear it?

In space, no one can hear you scream — here's why.

LiveScience

'Like a creeping mold that's spreading across the landscape': Separate dry areas around the world are merging into 'mega-drying' regions at an alarming rate, study finds

Unchecked groundwater extraction and climate change have dried continents significantly over the past 22 years, with 101 countries now losing fresh water to the ocean, research reveals.

LiveScience

How 'flying boats' are bringing EVs to the ocean — with the help of LeBron James and Tom Brady

A new electric motorsport championship is making an ambitious pitch to bring electric engines to the ocean — and Will Smith, LeBron James and Tom Brady are along for the ride.

LiveScience

Can you dream during non-REM sleep?

People report vivid dreams during rapid-eye-movement sleep. But is this sleep stage really the only time we dream?

LiveScience

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LiveScience

Why do cats and dogs eat grass?

There are many theories for why cats and dogs eat grass, and some could be "old wives' tales."

LiveScience

'These decisions were completely reckless': Funding cuts to mRNA vaccines will make America more vulnerable to pandemics

mRNA expert Jeff Coller spoke with Live Science about the future of mRNA vaccines in the United States in the aftermath of huge federal funding cuts.

LiveScience

A parade of volcanoes is erupting in Russia following an 8.8 earthquake

Six Russian volcanoes erupted shortly after an 8.8 magnitude earthquake stuck nearby, with a seventh possibly to follow.

LiveScience

How does the morning-after pill work?

The morning-after pill helps prevent pregnancy after unprotected sex, but its efficacy differs depending on the user's body mass and the timing of when they take the medication.

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LiveScience

No-sugar sweetener erythritol may pose risk to cells in the brain, study finds — here's what to know

LiveScience

Humans may have untapped 'superpowers' from genes related to hibernation, scientists claim

Scientists pinpointed key "regulators" that help control the metabolisms of hibernators, and say the same genes might hold untapped benefits for humans.

LiveScience

Skyscraper-size spikes of methane ice may surround Pluto's equator

Giant, ridge-like structures of methane ice, known as "bladed terrain," may be much more abundant along Pluto's equator than previously realized, a new study suggests.

LiveScience

How far can the most powerful telescope see into space?

Telescopes have come a long way since the first one was invented in 1608. So what's the most powerful telescope operating today, and how far can it see?

LiveScience

Earth, Mars, Venus — and a long-lost planet — may have once 'waltzed' in perfect harmony around the sun

New simulations suggest that up to four of the solar system's rocky planets, including Earth and a long-lost world, once orbited in mathematical harmony around the infant sun.

LiveScience

AI is entering an 'unprecedented regime.' Should we stop it — and can we — before it destroys us?

The technological singularity — the point at which artificial general intelligence surpasses human intelligence — is coming. But will it usher in humanity's salvation, or lead to its downfall?

LiveScience

Warm and cool temperatures travel on completely different paths to the brain, study finds

Researchers have mapped out the neural pathway that humans use to perceive cool temperatures and found that it's separate from the one for sensing heat.

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