Kiko Matthews, who cycled around the UK coast, says she collected 3.45 tonnes of rubbish from beaches.

Celeste Labedz's picture of herself dressed up as a princess while on a field trip researching glaciers has become a viral hit.

PM Narendra Modi says India is "now one of the biggest and most secure habitats of the tiger".

The semi-autonomous robot is able to use human tools and guide itself across difficult terrain.

Wellcome Trust chairwoman warns Boris Johnson that Britain will lose out if it "amputates" the EU.

The two-metre long femur is thought to have belonged to a sauropod from the late Jurassic era.

Chris Kraft, who founded Nasa's mission control, is honoured at the Proms after his death this week.

Tim Flannery, chief councillor of Climate Council Australia, warns about the pace of climate change.

Why Trump is selling plastic straws at $15 a pack - and using them as a stick to beat liberals with.

Plans for a powerful new telescope on a sacred site in Hawaii have created rifts among islanders.

India will fly robots to understand what weightlessness and radiation do to the human body in space.

The speed and extent of global warming exceeds any similar event in the past two millennia, researchers say.

Weather experts say a shift in the position of the jet stream is behind Europe's high temperatures.

Girls in Ethiopia are being given solar lamps to help stop child marriage and keep them in school.

The appalling treatment of Congo's rubber workers led to the world's first photographic human rights campaign.

The teen activist is ridiculed by some French MPs ahead of her speech to parliament.

With a year to go until the Olympics and Paralympics in Tokyo, meet the robots that will be used on site at the events.

Nasa has outlined more details of its plans for a landing craft that will take humans to the Moon's surface in the 2020s.

Nasa's first flight director played a critical role in the first Moon landing 50 years ago.

Roman and early Saxon finds were also discovered at the settlement, which was previously unknown.