Nasa engineer: Three facts about landing on Mars

A Nasa flight analyst explains three things you need to know about going to Mars.

Rare brown bear dies in Italy capture operation

The endangered animal died in Italy during an attempt to fit him with a collar to track movements.

The best and worst space films, according to Nasa

ExoMars: Getting ready to drive on the Red Planet

Engineers finish assembly of the test model for Europe’s ExoMars rover mission.

Closing gender gap in physics ‘will take generations’

The gender gap in science subjects like physics is likely to persist for hundreds of years, study suggests.

National Trust needs to be ‘radical’

The new director-general of the National Trust says the charity needs to reach out to people in urban areas.

UK weather: Why this isn’t a heatwave… yet

People across the UK have been enjoying unusually warm weather, but when can we call it a heatwave?

Bajau people ‘evolved bigger spleens’ for free-diving

In an example of human natural selection, Asia’s Bajau people have evolved bigger spleens for diving.

Poison project

Scientist Vladimir Uglev has no doubt the agent that poisoned the Skripals was made in Russia.

Plastic straws and cotton bud ban proposed

Plan for ban in England announced as Commonwealth leaders urged to join fight against plastic waste.

Planet-hunter launches from Florida

The US space agency’s Tess satellite lifts off on a mission to find thousands of new worlds.

100 Women: ‘Record number’ of Nepalese women climbing Everest this season

A record number of Nepalese women are climbing Mount Everest this spring season, officials tell the BBC.

Last of the wild asses back from the brink

Wild equines are being reintroduced to the grasslands of Kazakhstan where they once roamed in large numbers.

Heatwaves ‘cook’ Great Barrier Reef corals

Chemical attack

Experts describe the challenges facing those investigating an alleged chemical attack in Syria.

Costa Coffee vows ‘cup recycling revolution’

The UK’s biggest coffee chain says it will recycle as many disposable cups as it sells by 2020.

Meteorite diamonds ‘came from lost planet’

Blue Planet: Plankton named after David Attenborough series

Scientists at University College London (UCL) decide to honour Sir David Attenborough and the team.

Kids ask Nasa astronaut about going to space

Karen Nyberg, who’s been to space twice, answers questions from primary school children.

The first person on Mars ‘should be a woman’

A senior Nasa engineer has said the first person to set foot on Mars should be a woman.

Delay for Nasa’s Tess planet-hunter

The launch of the Tess mission to find new worlds beyond our Solar System is delayed by 48 hours.

Recycling hope for plastic-hungry enzyme

Gorilla Calaya gives birth at Smithsonian National Zoo

Calaya, the western lowland gorilla, gave birth at the Smithsonian National Zoo in Washington, DC.

Nasa’s Tess planet-hunter: What stars sound like

UK astronomer Bill Chaplin demonstrates the noises that stars make and why this is useful to know.

Animals’ popularity ‘a disadvantage’

A new study shows that some species may become victims of their own prestige.

Rolls-Royce and Boeing invest in UK space engine

Boeing and Rolls-Royce are to invest in the UK company developing a revolutionary propulsion system.

Isolated lakes found beneath Canadian ice sheet

Two lakes discovered beneath an Arctic ice sheet may help us to learn about Europa’s subsurface ocean.

Iron Age study targets British DNA mystery

A project to sequence DNA from ancient remains may solve a puzzle involving people from south-east Britain.

Earth’s magnetic ocean tides mapped from space

Satellites make the most detailed observations yet of the magnetism generated by moving seawater.

The seismic signal of Lionel Messi