The Latest Breaking News from LiveScience

Scientists gave mice flu vaccines by flossing their tiny teeth — and it worked

In a proof-of-concept study, scientists have shown that flossing your teeth could be a way to deliver vaccinations that protect you against viruses.

LiveScience · Jul 25, 2025

The more advanced AI models get, the better they are at deceiving us — they even know when they're being tested

More advanced AI systems show a better capacity to scheme and lie to us, and they know when they're being watched — so they change their behavior to hide their deceptions.

LiveScience · Jul 25, 2025

Moon, Mars, and meteors: Why July 28 is the best night for skywatching all summer

A conjunction between a crescent moon and Mars joins an ongoing display of 'shooting stars,' making July 28 one of the best nights for skywatching all summer.

LiveScience · Jul 25, 2025

Astronomers share best-ever evidence that Betelgeuse has a secret companion star — and they've nicknamed it 'her bracelet'

Astronomers have used a novel technique to find evidence of a secret "buddy" star orbiting Betelgeuse, one of the brightest objects in the night sky — but this sun-size companion may not survive for long.

LiveScience · Jul 24, 2025

3I/ATLAS is 7 miles wide — the largest interstellar object ever seen — new photos from Vera C. Rubin Observatory reveal

Detailed photos from the newly operational Vera C. Rubin Observatory have revealed that the recently discovered interstellar object 3I/ATLAS is roughly 7 miles wide, making it the largest of its kind ever seen.

LiveScience · Jul 24, 2025

T. rex relatives 'moonwalked' to attract mates, newfound dinosaur ‘mating arena' suggests

Researchers have identified a "mating arena" at Dinosaur Ridge where male theropods gathered during the Cretaceous period to display in front of females.

LiveScience · Jul 24, 2025

Ancient whale 'graveyard' discovered under melting Russian glacier

An Arctic expedition found a collection of ancient whale remains where a rapidly retreating glacier once lay.

LiveScience · Jul 24, 2025

Kabul could become the first modern capital to run out of water — here's why

Afghanistan's capital city of Kabul has an existential water problem and other cities may also be vulnerable.

LiveScience · Jul 24, 2025

Earth is starting to spin faster — and scientists are considering doing something unprecedented

Two days this summer have been unusually short, with the shortest expected on Aug. 5, leading global timekeepers to consider adding a negative leap second.

LiveScience · Jul 24, 2025

AI could soon think in ways we don't even understand — evading our efforts to keep it aligned — top AI scientists warn

Researchers at Google and OpenAI, among other companies, have warned that we may not be able to monitor AI's decision-making process for much longer.

LiveScience · Jul 24, 2025