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This occurrence of aurora australis, or Southern Lights, was captured by Nasa astronaut Jessica Meir.

A volunteer diver has described shaking as he filmed his encounter with an endangered Great White shark between Tunisia and Sicily.

Russian attempt to repair tunnel area sparks safe-haven procedure for five other astronauts onboard.

Swampy mangrove forests are staging a surprise comeback - which is good news for coastal communities and the climate.

Swampy mangrove forests are staging a surprise comeback - which is good news for coastal communities and the climate.

What role will humans play in the future of scientific research?

An internationally important nature reserve in Hampshire is under threat from failing flood defences.

An internationally important nature reserve in Hampshire is under threat from failing flood defences.

A new phase of the natural El Niño weather pattern could begin in a matter of weeks, the UN has warned, boosting temperatures on a planet already under strain from climate change.

A farmer says he is having to remove litter from his fields on a daily basis.

About 300 water voles are released in Farnham as part of a bid to restore the species to the river.

What a day in India's hottest district reveals about life on the frontline of extreme heat.

According to Nasa, the meteor released the equivalent to about 300 tons of TNT when it broke up.

Four bush dogs are the newest mischievous residents at Lake District Wildlife Park.

The Milky Way, the Summer triangle, eclipses and a meteor shower can all be seen over the next few months.

A video of the curlew that has a nest and eggs was posted by the Sliabh Beagh Curlew Conservation Trust.

The Hindhead Tunnel has sparked one of the most successful rewilding projects in southern England.

A newly discovered species raises hope that some native British habitats could be restored.

Sophia Herod explains what is meant by the phrase "Blue Moon" - and it doesn't mean the Moon is turning blue.

Science correspondent Pallab Ghosh explains why the explosion is a setback for space exploration.