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Space

Weird line of galaxies may have been created by a cosmic bullet

A high-speed crash between two dwarf galaxies might explain a unique feature in space 鈥� and provide useful information on dark matter

Environment

Earth is more sensitive to greenhouse gases than we thought

Life

Ancient people took wallabies to Indonesian islands in canoes

Adult male mice that have two fathers and went on to have offspring of their own

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Mice with two fathers have their own offspring for the first time

Space

Vera Rubin Observatory has already found thousands of new asteroids

Life

Orcas scrub each other clean with bits of kelp

Space

Stellar flares may hamper search for life in promising star system

Technology

Why is it seemingly impossible to stop phone thieves?

Space

Stunning first images show the power of the Vera C. Rubin Observatory

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Nightmares linked to faster biological ageing and early death

Scary dreams disrupt our sleep and elevate our levels of the stress hormone cortisol, which may have serious consequences for our health over time

Life

Sea spiders ‘farm’ methane-eating bacteria on their bodies

Physics

Could Israel’s bombing trigger a nuclear accident in Iran?

Technology

Your passwords have probably been stolen and sold on the dark web

Space

Dead NASA satellite unexpectedly emits powerful radio pulse