In 1538, the ground beneath the Campi Flegrei supervolcano rose by six stories. Then it burst.
The Milky Way's black hole, known as Sagittarius A*, briefly flared at least a million times brighter 200 years ago.
Scientists at the IceCube Neutrino Observatory have used 60,000 neutrinos to create the first map of the Milky Way made with matter and not light.
The Euclid space telescope uses its incredibly wide field of view to hunt for two of the universe's most mysterious components: dark matter and dark energy.
Wind and solar power produced a combined 252 terawatt-hours in the first five months of 2023, compared with coal's output of 249 TWh
The submersible, which has been missing since Sunday, is believed to have been crushed by high pressure, discovery of debris near the Titanic wreck has revealed.
Rescuers have detected noises repeating every 30 minutes from around the last known location of the Titan submersible. Could this make a rescue more likely?
The five-person, custom-built submersible lost contact with the surface near the wreck of the Titanic on Sunday, and has 40 hours of emergency oxygen remaining.
Researchers used a computer model to find where the roughly 16.2 bits of microplastics inhaled by humans a week end up. What they found is troubling.
Scientists suggest strange swirls across the outer layer of the brain might be used to link different parts of it together and help process information faster.
Astronomers discovered a new population of ultra-fast-moving stars, including the fastest 'runaway' star ever seen in our galaxy.
A new system that uses subatomic particles produced high in Earth's atmosphere could provide a view inside volcanoes and help locate people trapped beneath rubble.
Italy's Campi Flegrei is showing some troubling early warning signs, but scientists caution that its eruption is far from certain.
NASA's Parker Solar Probe plunged into the sun's atmosphere to capture the granular details of how its solar wind is made.
A record-breaking drilling attempt, which dug more than a kilometer into an underwater mountain in the Atlantic Ocean, has given scientists a treasure trove of rocks to study for clues to Earth's inner workings.
The James Webb Space Telescope has discovered the faintest galaxy ever seen, burning away the pitch-black gloom of the early universe 13 billion years ago.
A new theory has radically revised Stephen Hawking's 1974 theory of black holes to predict that all objects with mass may eventually disappear.
A bunker discovered near the city of Anda in northeast China is believed to be the largest test site of Imperial Japan's infamous Unit 731, which conducted horrifying human experiments during the 1940s.
A mysterious epidemic that began in the Mediterranean at the start of the year looks set to wipe out all of the Mediterranean and Red Sea’s urchins, and possibly their coral reefs too.
A potential intermediate-mass black hole may be lurking in Messier 4, the nearest globular star cluster to Earth, new Hubble data reveals.
Firing ultrasound signals into rodent brains puts them in a torpor-like state. Scientists are wondering if it could be used on humans.
The James Webb Space Telescope has found key chemical fingerprints of supermassive stars just 440 million years after the Big Bang.
A tiny jumping spider's imperfect ant impression lets it mimic multiple species, enabling it to live in various habitats.
A new scan of the Titanic shipwreck made with more than 715,000 images has revealed the world's most famous shipwreck as we've never seen it before.