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Researchers have finally traced the origin of the spotted ratfish’s bizarre forehead teeth, which are used for mating

Two fossils found in Germany show very young pterodactyls with arm bones thought to have been broken in flight, probably because of severe tropical cyclones

A biodegradable glue that encourages bones to repair themselves can be applied during surgery using a hot glue gun, potentially offering a cheap and quick way to treat injuries

Seeing and imagining use similar brain machinery. New research reveals the brain circuit that identifies what is real, which may help scientists understand conditions such as schizophrenia

An experimental new method for extracting lithium from brine and even seawater promises to be more sustainable than existing methods

Fresh treatments for rare skin diseases shift the focus from symptom management to repair and help children with such conditions live active lives

Researchers are hoping to trick the immune system into fighting back against the bane of adolescents everywhere

Card dealers create a unique deck with each shuffle, something computers cannot replicate

Week in images: 01-05 September 2025

Discover our week through the lens

Liftoff occurred at 8:32 a.m. EDT on Friday (Sept. 5).

A community science project finds that modest reminders to find joy in the day can have benefits that are on par with those of more ambitious well-being interventions

Some black holes get extremely massive. Is there an upper limit to their growth?

With the CDC in disarray and its future uncertain, this episode explores what’s driving the exodus of agency staff and what this means for national health security.

Estonia marked its 10th anniversary in the European Space Agency alongside the plenary session of the European Interparliamentary Space Conference on 4 September.  

Worries include broken windows and impacts to the local environment, tourism and fishing industries.

Magnificent spiral galaxy

How soon do jets form when a supernova gives birth to a neutron star?

Its surface is the most densely cratered in the Solar System -- but what's inside?