91av

Side by side comparison of a Juno image from February 2024 and a Galileo image from 1997, revealing a new volcano

Space

Huge new volcano has burst through the surface of Jupiter’s moon Io

In between two spacecraft visiting Jupiter’s moon Io, a volcano spreading material over hundreds of kilometres has appeared

NASA's Valkyrie humanoid robot

Meet Valkyrie, NASA’s humanoid robot paving way to the moon and Mars

Life

Fish size themselves up in a mirror to decide if they can win a fight

KEPXDK Australopithecus family

Humans

When did humans leave the trees for the savannah – or did they at all?

Life

Ants change the way they build nests to stop diseases spreading

Space

Astronomers worried by launch of five new super-bright satellites

Space

SpaceX’s Polaris Dawn mission blasts off for first civilian spacewalk

Space

Cloud atlas of Mars reveals an atmosphere unlike our own

Environment

Most cities are rainier than their surroundings due to heat and smog

Technology

I took control of NASA’s Valkyrie robot and it blew my mind

Are humanoid robots the future of space exploration? 91av reporter James Woodford took NASA's Valkyrie for a spin to find out

Chemistry

Quantum experiment rewrites a century-old chemistry law

Health

Chronic fatigue syndrome could be quickly diagnosed via a blood test

Life

Watch eels escape from the stomachs of fish after being swallowed

Life

Endangered wombat’s rare encounter with echidna caught on camera