Supernova that lit up Earth's skies 843 years ago has a flowering 'zombie star' at its heart — and it's still exploding
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A new animated map sheds light on the superhot «zombie star» at the heart of a nebula leftover from a distant supernova witnessed by astronomers in 1181. The remains of the stellar explosion are unusually wonky and are still exploding at a constan
New device 'zaps' bacteria on the skin, potentially preventing infections
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Early experiments suggest a patch that delivers harmless electric currents into the skin can thwart certain bacterial infections. However, it has not yet been tested in humans.
A Prime Day telescope deal so good we bought one for ourselves
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Prime Day ends tonight, and this Celestron telescope deal is too good to miss — observe the planets and beyond with this beginner-friendly telescope under $250.
'Severe' geomagnetic storm to slam Earth Thursday, with auroras possible as far south as California and Alabama
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A powerful solar outburst is likely to trigger a «severe» geomagnetic storm on Thursday, with auroras potentially visible as far south as California and Alabama, NOAA predicts.
Earth from space: Beautiful 'lake of haze' in Himalayan valley has a darker, more sinister source
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This 2014 satellite photo shows a cloud of haze sitting in the Kashmir Valley in the Himalayas. The ethereal «lake» consists mainly of smog and other pollutants from nearby factories.
One of the best star projectors now lowest-ever price this October Prime Day
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We've spotted the joint lowest-ever price on what we call the best star projector for aesthetics in this October Prime Day deal: Good looks and scientifically accurate star projections at home.
NASA's exoplanet hunter TESS spots a record-breaking 3-star system
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Using NASA's exoplanet-hunting spacecraft, TESS, astronomers and citizen scientists have discovered a record-breaking system of three tightly bound stars that could fit between the sun and Mercury.
We recommend this Prime Day smartwatch deal: Now at its cheapest-ever price
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We've tested fitness trackers for years and we recommend this smartwatch deal — down to its cheapest price for Prime Day in October, with nearly 30% savings.
Tube-tying surgeries and vasectomies skyrocketed post-Roe
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A new study suggests that the overturning of Roe v. Wade in 2022 prompted a surge in young people undergoing sterilization procedures, especially women.
2,000-foot-wide 'potentially hazardous' asteroid has just made its closest approach to Earth — and you can see it with a telescope
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The 2,000-foot-wide asteroid 2013 NK4 just made its closest approach to Earth in recorded history, sailing by at about eight lunar distances. You can still see the massive rock with a backyard telescope.
Most massive stellar black hole in the Milky Way discovered 'extremely close' to Earth
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Astronomers found the most massive stellar-mass black hole in the galaxy after spotting a star «wobbling» nearby. The baby monster is the 2nd-closest black hole to Earth ever detected.
Tired of your laptop battery degrading? New 'pulse current' charging process could double its lifespan.
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Using pulse current charging, or a constant current divided with a few short breaks, lithium-ion batteries hold up better over hundreds of charging cycles and can last twice as long.
Pluto's huge white 'heart' has a surprisingly violent origin, new study suggests
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Tombaugh Regio — the large, pale heart that dominates Pluto's terrain — is made of nitrogen ice that accumulated after a huge, slow-motion impact, new research suggests.
Tiny 'sungrazer' comet discovered, photographed and destroyed — all during historic total solar eclipse
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On April 8, just a few hours before the solar eclipse, an amateur astronomer discovered a small «sungrazer» comet in close proximity to our home star. The newfound object was photographed during totality before disintegrating into nothingness late
Avi Wigderson wins $1 million Turing Award for using randomness to change computer science
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The 2023 Turing Award has been given to Avi Widgerson. The mathematician found that adding randomness into algorithms made them better at solving nondeterministic problems.
No, you didn't see a solar flare during the total eclipse — but you may have seen something just as special
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Several media outlets have incorrectly claimed that explosive solar flares were spotted during the April 8 total solar eclipse. But there were no flares during totality, so what did people see?
H5N1: What to know about the bird flu cases in cows, goats and people
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Bird flu in cows and goats has raised alarm in the U.S. To date, one person is thought to have caught the virus from cattle, but the risk to the public is low.
Error-corrected qubits 800 times more reliable after breakthrough, paving the way for 'next level' of quantum computing
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Scientists used a technique called 'active syndrome extraction' to build four logical qubits from 30 physical ones and run 14,000 experiments without detecting a single error.
'Eyes coming straight for me': Huge crocodile launches itself into boat with jaws wide open in strange attack
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Queensland authorities are on the lookout for a crocodile reported to have leapt into a fisher's boat at Jane Creek before losing its balance and tumbling back into the water.
Solar storm may amp up northern lights before Christmas
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A solar storm that erupted from the sun on Monday (Dec. 20) may boost northern lights displays around the north pole just ahead of Santa's trip this weekend.
