The invasive lionfish poses a number of threats in the Atlantic Ocean – can it be stopped by a robot?

Our ancestors could be to blame for the wide variety of human sleeping habits, from larks to night owls.

Scientists use smartphones to track and rank activity levels around the world.

The UK government formally announces a more-than-£100m investment in new satellite and rocket test facilities.

China teleports first object from the ground to satellite

We will have to wait until the second half of the century for fusion reactors to start generating electricity, experts have announced.

A whale appears to play with a pod of dolphins off the coast of Western Australia.

The World Health Organization sees developing a vaccine as vital in stopping "super-gonorrhoea".

Galaxy Zoo is one of the most successful citizen science projects ever conceived. We look back at what it's achieved over 10 years.

Newly-discovered fossil suggests birds evolved very rapidly after the dinosaurs went extinct.

The remains of tiny marine organisms document the wind-driven, warm-water melting in West Antarctica.

A statement at the G20 summit says the Paris accord is "irreversible" but the US forces compromise.

The VP made a tongue-in-cheek apology to Nasa after a photo of him touching the equipment went viral.

Lucy Hawking describes her famous scientist father being asked - what happens if you fall into a black hole?

Germany is battling to stop the US undermining a united front on climate change at the G20 summit.