Right before exploding, this star puffed out a sun's worth of mass
A supernova that recently exploded in the Pinwheel Galaxy has revealed hitherto unknown information about the final days of the star that exploded.
Science & Astronomy
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What is the moon phase today? Lunar phases 2023
Reference See the phase of the moon tonight and the rest of the moon phases for 2023, and when you can see them.
Astronomers discover thousands of active red galaxy hearts with powerful radio signals
The radio signals hint at an important evolutionary step in the lives of galaxies.
NASA's OSIRIS-REx asteroid sample return to Earth: Live updates
NASA's OSIRIS-REx asteroid sample-return mission will return pieces of asteroid Bennu to Earth on Sept. 24, 2023. Follow the historic landing live here.
A giant moon collision may have given rise to Saturn's iconic rings, study suggests
A collision between two ancient icy moons that may have once orbited Saturn could have given rise to the planet's iconic ring system, a new study reveals.
Radio telescope will launch to moon's far side in 2025 to hunt for the cosmic Dark Ages
The Dark Ages are the period of time between the Big Bang and the birth of stars and galaxies.
1st black hole imaged by humanity is confirmed to be spinning, study finds
New research has found the jet blasting outward from this black hole swings like a pendulum on an 11-year cycle.
Watch a 180-year-old star eruption unfold in new time-lapse movie (video)
Over two decades of data from NASA’s Chandra X-ray Observatory helped scientists craft a stunning new video of a historic stellar eruption.
Mammals may be driven to extinction by volcanic new supercontinent Pangaea Ultima
The next supercontinent, Pangea Ultima, is likely to get so hot so quickly that mammals cannot adapt, a new supercomputer simulation has forecast.
'Dark universe' telescope Euclid faces some setbacks during commissioning
The observatory's star navigation system and sun protective devices have presented with anomalies.
What would colors look like on other planets?
Here's how your brain might adjust to see color on another world.
NASA opens OSIRIS-REx's asteroid-sample canister (photos)
Scientists removed the outer lid of OSIRIS-REx's sample canister on Tuesday (Sept. 26). But a full reveal of the mission's asteroid sample is still two weeks away.
Antimatter responds to gravity like Einstein predicted, major CERN experiment confirms
The new study marks the beginning of detailed and direct pursuit of the gravitational nature of antimatter, which remains puzzlingly scarce in the universe.
Harvest moon 2023, the last supermoon of the year, kicks off fall stargazing on Sept. 29
The last supermoon of 2023 will illuminate the autumn sky on Friday.
Antarctic sea ice hits 'record-smashing' low this year, satellite data shows
NASA and the National Snow and Ice Data Center have released some troubling data about our planet's polar regions.
New AI algorithm can detect signs of life with 90% accuracy. Scientists want to send it to Mars
A new AI method can distinguish between biotic and abiotic samples with 90% accuracy.
Fungi creepily infiltrates space stations — but scientists aren't scared. They're excited
Fungi piggybacking on space missions is dangerous to astronaut health and spacecraft equipment, but studying its behavior is also useful for long-term space missions.
This TRAPPIST-1 exoplanet seems to have no atmosphere — the truth may hide in its star, James Webb Space Telescope reveals
The findings also corroborate earlier reports that TRAPPIST-1b lacks a thick, hydrogen atmosphere.
