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Hurry, this germ-busting air purifier is still $210 off this Cyber Monday
Save 30% on the Blueair Classic Pro CP7i, the only air purifier that uses violet-blue light to remove bacteria and viruses.
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The "most capable" and "best-looking" Apple Watch Series 11 is cheapest at Best Buy and Amazon for Cyber Monday
Snap it up for $329 at either of these retailers, $70 off its typical retail price and worry less about battery life and more about hitting those training goals.
New graphene breakthrough supercharges energy storage
Engineers have unlocked a new class of supercapacitor material that could rival traditional batteries in energy while charging dramatically faster. By redesigning carbon structures into highly curved, accessible graphene networks, the team achieved record energy and power densities—enough to reshape
Scientists just found a way to tell if quantum computers are wrong
Researchers unveiled a new technique that validates quantum computer results—especially those from GBS devices—in minutes instead of millennia. Their findings expose unexpected errors in a landmark experiment, offering a crucial step toward truly reliable quantum machines.
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See the last Supermoon of the year with these Cyber Monday skywatching deals
The Cold Moon will be lighting up the sky on December 4, and it's the last supermoon of the year — shop the best skywatching deals, including Celestron's special edition 'Moon Mission' lineup.
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Today's biggest science news: Vaccine skeptics get hep B win | Comet 3I/ATLAS surprises | 'Cold Supermoon' pictures
Friday, Dec. 5, 2025: Your daily feed of the biggest discoveries and breakthroughs making headlines.
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15,000 Amazon reviews can't be wrong (including ours). This astronaut star projector makes the perfect gift for young space fans at under $30 for Cyber Monday
For less than $30, this stocking filler will delight kids and grown-ups alike. Have an astronaut shine stars into your living room or bedroom this Cyber Monday.
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Last chance to snap up the Oura Ring Gen 4 at its lowest-ever price
Save up to 30% on the best smart ring we have ever tested with this massive Cyber Monday deal. But hurry, this offer expires at midnight.
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7 Cyber Monday binocular deals to avoid (and 7 we think you should buy)
Don't get caught up in last-minute panic buying. We've spotted all the best Cyber Monday deals left over from the Black Friday weekend, but there are a few you should miss.
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Deep sky imaging, simplified. If you've got cash to drop on your own home observatory, you could save this Cyber Monday.
Take photos of nebulas, galaxies and other deep sky objects from your backyard.
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'Potentially hazardous' asteroid 2024 YR4 was Earth's first real-life planetary defense test
The discovery and swift monitoring of asteroid 2024 YR4 earlier this year represented Earth's first real-life planetary defense test.
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Roman sun hat: A 'very rare' 1,600-year-old brimmed cap that may have protected a Roman soldier from Egyptian sandstorms
A rare example of a sun hat from late Roman Egypt that was stitched together from fabrics in five colors.
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Lowest prices ever on the Apple Ultra 2, Apple Watch Series 10 and Apple Watch SE smart watches for Cyber Monday
While Black Friday weekend is about to end, Cyber Monday is proving to have some impressive deals, including huge discounts on Apple watches.
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These pocket-sized binoculars are a neat stocking filler for kids and adults for the holidays — and they're less than $20 for Black Friday
The Occer 12x25 compact binoculars are small and very affordable, and for under $20, they're the cheapest binoculars we'd recommend buying as a Christmas gift.