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The Latest Breaking News from Live Science

We're within 3 years of reaching a critical climate threshold. Can we reverse course?

A report published in June found that the world only has three years before it crosses the 1.5 C climate target. So what should we do now?

Space

What's the difference between a llama and an alpaca?

Llamas are closely related to alpacas, so how can you tell these South American camelids apart?

LiveScience

Oops! Earendel, most distant star ever discovered, may not actually be a star, James Webb Telescope reveals

Astronomers used the James Webb Space Telescope to investigate whether the most distant star identified in the universe is, in fact, a star cluster.

LiveScience

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Which Roman emperor ruled the longest?

The question of which Roman emperor ruled the longest is tricky to answer.

LiveScience

Why do some people grow 'chemo curls' after cancer treatment?

After chemotherapy, some people get "chemo curls" and other changes to their hair texture and appearance. But why?

LiveScience

Meet the 'neglectons': Previously overlooked particles that could revolutionize quantum computing

When mathematicians revived ignored mathematical structures, they found that overlooked particles, called "neglectons," could complete the quantum computing puzzle.

LiveScience

What was the first human species?

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

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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

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

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

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Space

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.

LiveScience

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.

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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

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.

LiveScience

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

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