Earth’s core may hide dozens of oceans of hydrogen
Hydrogen reserves in Earth’s core large enough to supply at least nine oceans may influence processes on the surface today.
Category: Science
Something supercharged Uranus with radiation during Voyager flyby 40 years ago. Scientists now know what.
Forty years ago, Voyager 2 flew past Uranus and observed radiation levels that defied explanation. Now, scientists may finally know exactly what happened.
Only certain types of brain-training exercises reduce dementia risk, large trial reveals
A large, 20-year trial showed that speedy cognitive exercises could reduce the risk of Alzheimer’s disease and other types of dementia. The question is, could
Scientists infiltrated volunteers’ dreams to boost their creative thinking
A small study hints that you can “trigger” memories of specific puzzles while a person dreams and that the dreamer may be more likely to
CubeSats’ Missions Begin
A pair of CubeSats designed by college students from around the world is deployed into Earth orbit from a small satellite orbital deployer on the
Astronaut snaps salty, pink Valentine’s Day ‘heart’ shining in Argentina — Earth from space
A 2024 astronaut photo shows a striking pink, heart-shaped salt lake in the middle of the Argentine lowlands. The endearing photo was originally released to
Viking Age mass grave holds mysterious mix of dismembered human remains and complete skeletons, including a ‘giant’ who’d had brain surgery
Archaeologists and student excavators uncovered a Viking Age pit full of dismembered remains near Cambridge, England.
AI helps archaeologists solve a Roman gaming mystery
Researchers used AI-driven virtual players to test more than 100 rule sets, matching gameplay to wear patterns on a Roman limestone board.
New ‘sungrazing’ comet could become visible to the naked eye during the day — if the sun doesn’t destroy it
The newly discovered sungrazing comet C/2026 A1 (MAPS) will undergo an extremely close slingshot around our star in early April, and could become bright enough
Impossibly powerful ‘ghost particle’ that slammed into Earth may have come from an exploding black hole — and it could upend both particle physics and cosmology
A supercharged neutrino that smashed into our planet in 2023 may have been spit out by an exploding primordial black hole with a “dark charge.”
The best toddler-friendly air purifier we have tested is now at its lowest-ever price
Save $100 on the Levoit Sprout, an excellent all-in-one appliance that combines an air purifier, a night light and a white noise machine.
Daily cups of caffeinated coffee or mugs of tea may lower dementia risk
A long-term observational study found a link between the amount of tea and caffeinated coffee people drank and the risk of dementia.
The world’s oldest piece of clothing might be an Ice Age–era hide from Oregon
Two pieces of elk hide connected by a twisted-fiber cord are the earliest evidence of sewing. But what they were used for is still a
US scientists adapt after the Trump administration’s funding blows
Scientists say the Trump administration’s policies have led to major changes and uncertainty about scientific efforts and accomplishments.