The forces of rotation caused red hot masses of stones to be torn away from the Earth and to be thrown into the ether, and this is the origin of the stars.

— Anaxagoras 428 BC

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Updated: 3 hours 59 min ago

How government use of AI could hurt democracy

Fri, 07/11/2025 - 6:00pm
Countries are eager to use AI to automate some government processes, but this risks eroding citizens’ trust and feelings of democratic control – because AI mistakes can ruin their lives
Categories: Astronomy

We may have finally solved an ultra-high-energy cosmic ray puzzle

Fri, 07/11/2025 - 4:30pm
The IceCube neutrino detector has allowed researchers to resolve a debate about what types of particles make up ultra-high-energy cosmic rays – but much remains unknown about these rare events
Categories: Astronomy

Artificial cooling 'urgent' for Great Barrier Reef after warming spike

Fri, 07/11/2025 - 9:00am
A drop in shipping emissions has caused a surge in warming at the Great Barrier Reef, fuelling calls for drastic actions such as marine cloud brightening to lower the risk of coral bleaching
Categories: Astronomy

Climate could warm another 0.5°C if we fail to capture far more CO2

Fri, 07/11/2025 - 7:00am
Models suggest that meeting climate targets will be virtually impossible without steep emissions cuts paired with a huge expansion of carbon management technologies
Categories: Astronomy

Trees on city streets cope with drought by drinking from leaky pipes

Fri, 07/11/2025 - 7:00am
Urban trees lining streets fare better in dry spells than those in parks – now it seems that leaky water pipes are the reason for their endurance
Categories: Astronomy

Hay fever relief could come in the form of a nasal 'molecular shield'

Fri, 07/11/2025 - 1:00am
Mice experienced far fewer hay fever symptoms when a pollen-blocking antibody was applied within their nose
Categories: Astronomy

Why bizarre Cold War hoverboats are making a comeback

Thu, 07/10/2025 - 5:56pm
Sea-skimming crafts – which fly just above the water – were once considered Cold War relics of a failed Soviet experiment. Now, China and the US are resurrecting the technology as a possible Pacific conflict looms
Categories: Astronomy

Fatal genetic disorder treated by replacing the brain's immune cells

Thu, 07/10/2025 - 3:00pm
Microglia replacement therapy helps treat people with a rare genetic condition called ALSP, suggesting the approach could also work for other neurological disorders like Alzheimer’s
Categories: Astronomy

Inhaled insulin may free children with type 1 diabetes from injections

Thu, 07/10/2025 - 1:00pm
Inhaled insulin is effective for controlling blood sugar levels in children with diabetes, providing them with a faster-acting, needle-free option to manage their condition
Categories: Astronomy

Astronomers found a completely new type of plasma wave near Jupiter

Thu, 07/10/2025 - 12:00pm
Observations from NASA’s Juno spacecraft reveal that Jupiter’s strong magnetic field and the unique properties of its plasma can produce a truly novel kind of extraterrestrial wave near its poles
Categories: Astronomy

Peculiar plant could help us reconstruct ancient Earth’s climate

Thu, 07/10/2025 - 11:00am
Something strange happens to water as it moves through the stems of horsetail plants – and this unique process provides valuable clues for understanding past and present ecosystems
Categories: Astronomy

Interstellar visitor 3I/ATLAS might be the oldest comet ever seen

Thu, 07/10/2025 - 9:33am
Astronomers tracking an interstellar object flying through the solar system think it comes from a star at least 8 billion years old, almost twice the age of our sun
Categories: Astronomy

Surgical robots take step towards fully autonomous operations

Wed, 07/09/2025 - 3:00pm
An AI system trained on videos of operations successfully guided a robot to carry out gall bladder surgery on a dead pig, with minimal human assistance
Categories: Astronomy

Stunningly intimate octopus image wins aquatic photography prize

Wed, 07/09/2025 - 2:00pm
Kat Zhou has won the Aquatic Life category in the 2025 BigPicture Natural World Photography Competition, while a shot of a death-defying leap by a lemur took the top prize
Categories: Astronomy

Foundation's new season has dramatic potential – but sadly falls flat

Wed, 07/09/2025 - 2:00pm
Foundation's new series is full of new characters and dramatic potential. But instead of mining those rich seams, too many plotlines have become shallow and absurd. It's hard to see a good show go bad, says Bethan Ackerley
Categories: Astronomy

Slay the new slang: check out a guide to social media’s baffling lingo

Wed, 07/09/2025 - 2:00pm
Language is evolving rapidly in a world of social media. Our millennial reviewer finds Adam Aleksic's Algospeak to be a much-needed helping hand
Categories: Astronomy

The cosmos is vast, so how do we measure it?

Wed, 07/09/2025 - 2:00pm
The awe-inspiring distances of the cosmos are hard to visualise, so how can we be certain we are measuring them correctly? Chanda Prescod-Weinstein explains
Categories: Astronomy

Is this the raciest conference invite ever?

Wed, 07/09/2025 - 2:00pm
Feedback has been invited to an event next year in Shaoxing, China. It's an academic conference promising "revolutionary thinkers who are redefining human intimacy through cutting-edge robotics and AI"
Categories: Astronomy

Plans to genetically screen newborns for rare diseases are problematic

Wed, 07/09/2025 - 2:00pm
The UK's health secretary has announced a 10-year plan to check newborns for a huge range of rare conditions. There are major medical and ethical issues with this, argues neurologist Suzanne O'Sullivan
Categories: Astronomy

Provocative new book says we must persuade people to have more babies

Wed, 07/09/2025 - 2:00pm
The population is set to plummet and we don't know how to stop it, warn Dean Spears and Michael Geruso in their new book, After the Spike
Categories: Astronomy