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The Latest Breaking News from Live Science

Hubble telescope discovers 'Cloud-9,' a dark and rare 'failed galaxy' that's unlike anything seen before

Astronomers have revealed a new type of cosmic object called Cloud-9 — a dim, starless gas cloud anchored by a massive dark matter halo that may be the first-confirmed failed galaxy.

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Orbiting satellites could start crashing into one another in less than 3 days, theoretical new 'CRASH Clock' reveals

Researchers have proposed a theoretical timepiece, dubbed the "CRASH Clock," which tells us how quickly satellites would start colliding if they lost the ability to avoid each other, such as during a powerful solar storm. And its value is rapidly decreasing.

LiveScience

60,000-year-old poison arrows from South Africa are the oldest poison weapons ever discovered

Five quartz arrowheads found in a South African cave were laced with a slow-acting tumbleweed poison that would have tired prey during long hunts.

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Last common ancestor of modern humans and Neanderthals possibly found in Casablanca, Morocco

A collection of bones from Casablanca holds important new clues to the origins of modern humans and Neanderthals.

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Did any cat breeds develop naturally?

Humans have undoubtedly bred cats to create certain breeds, but did any of these feline breeds emerge naturally?

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How common is it to have extra bones in your skeleton?

Adult human bodies typically have about 206 bones. But is it possible to have more?

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Trees in Panama's tropical forests are growing longer roots in the face of drought

A long-term experiment reveals tropical forests in Panama are able to adapt to droughts, but scientists warn this short-term "rescue strategy" is unlikely to save them from the impacts of climate change.

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From gene therapy breakthroughs to preventable disease outbreaks: The health trends that will shape 2026

Live Science's health channel editor makes predictions about the medical breakthroughs and public health shifts to come in 2026.

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Enough fresh water is lost from continents each year to meet the needs of 280 million people. Here's how we can combat that.

Earth's continents are losing 4 Olympic swimming pools' worth of fresh water every second, with dire consequences for jobs, food security and water availability.

LiveScience

Did reintroducing Wolves to Yellowstone really cause an ecological cascade?

Previous research on the effect of wolves on the food web has been criticized, raising questions about the predator’s role in the Yellowstone ecosystem.

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Scientists are developing a 'self-driving' device that helps patients recover from heart attacks

Live Science spoke with Dr. Joe Alexander of NTT Research about "digital twins" and the development of an autonomous device for acute cardiac care.

LiveScience

A fentanyl vaccine enters human trials in 2026 — here's how it works

A vaccine in development would be the first proactive treatment for overdose and fentanyl addiction, if approved.

LiveScience

'Putting the servers in orbit is a stupid idea': Could data centers in space help avoid an AI energy crisis? Experts are torn.

Google’s proposal to explore space-based AI infrastructure raises fundamental questions about energy, physics and feasibility – and whether Earth has really run out of options.

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Year in review: The standout health stories of 2025, from measles outbreaks to AI-made viruses

Catch up on the latest trends in health news in this roundup of long-reads compiled by Live Science's health channel editor.

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How many holes does the human body have?

You might think that the human body has many holes, but that number shrinks when you stop to consider what counts as a hole.

LiveScience

Is the sun really a dwarf star?

Our sun is huge, at least compared to Earth and the other planets. So is it really a dwarf?

LiveScience

New electrochemical method splits water with electricity to produce hydrogen fuel — and cuts energy costs in the process

Scientists adapted a method that can produce double the amount of hydrogen when splitting water molecules with electricity.

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Last of its kind dodo relative spotted in a remote Samoan rainforest

The manumea, a critically endangered ground pigeon and one of the closest living dodo relatives, has been spotted multiple times in a remote Samoan rainforest.

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'It won’t be so much a ghost town as a zombie apocalypse': How AI might forever change how we use the internet

AI slop, chatbots and agentic AI are changing the internet, and could transform it beyond recognition, experts say.

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New tests could nearly halve the rate of late-stage cancers, some scientists say — is that true?

Blood tests that look for over a dozen cancers are being developed. But how soon will they help patients?

LiveScience

Cats meow more at men to get their attention, study suggests

A small study reveals that cats greet male owners more vocally than female ones. But the findings could be a result of cultural norms among the participants, rather than a universal cat behavior, scientists say.

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Scientists claim 'Lucy' may not be our direct ancestor after all, stoking fierce debate

Recent fossil finds could mean that "Lucy" wasn't our direct ancestor, some scientists say. Others strongly disagree.

LiveScience

What's the fastest a human can grow?

Humans grow tall in spurts, but what's our fastest period of growth?

LiveScience

Interstellar comet 3I/ATLAS is rapidly moving away from us. Can we 'intercept' it before it leaves us forever?

3I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a spacecraft to chase down the alien comet — or the next interstellar object.

LiveScience

AI is solving 'impossible' math problems. Can it best the world's top mathematicians?

AI is making gains in solving pure math problems. Can it crack the hardest problems in mathematics?

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