A final technology demonstration from the California company should clear the way to fly astronauts.
Scientists have identified 3,000 ash trees with suspected resistance to a deadly disease.
A team of scientists discounts the idea that large-scale volcanism drove the demise of the dinosaurs.
Australia's Kangaroo Island has been likened to Noah's Ark - but its unique wildlife is under threat.
UK panel will tackle some of the dilemmas around global warming.
From population to plants, your questions answered about climate change.
Conservationists mapped the most critical areas of Scotland for endangered birds like the kittiwake.
The tech giant pledges to remove all the carbon it has emitted since its founding in 1975.
Satellites continue to monitor the Philippines volcano which has experienced a lull in activity.
Europe's six-wheeled robot completes more key tests ahead of its planned summer launch.
The Belgian traveller was trying to smuggle the protected species from Peru to Spain, officers say.
BBC News looks at what we know and don't know about the Earth's changing climate.
The naturalist and broadcaster has warned that "the moment of crisis has come".
The BBC plans a raft of new services and shows examining climate change and the state of our planet.
It's been linked to a year of extremes – from bushfires to torrential rains – but what is it?
This teenager found a new planet on the third day of his internship at the US space agency.
Soil protection will be a core issue as the Agriculture Bill returns to Parliament later.
Until now, there's been little evidence our evolutionary relatives could swim.
A microorganism scooped up in deep-sea mud off Japan's coast has helped scientists unlock the mystery of one of the watershed evolutionary events for life on Earth: the transition from the simple cells that first colonized the planet to complex cellular life - fungi, plants and animals including people.
What can the weather tell us about our changing planet? Ben Rich looks at the latest data in the first of our new monthly series, Climate Check.
A scheme to stop cars travelling across the city has been proposed, but how would it actually work?
People with access to green spaces are more likely to be more environmentally friendly, study finds.
The dead 15ft (4.5m) long juvenile killer whale was found on the coast of Norfolk and Lincolnshire.
Scientists analysing a meteorite have discovered the oldest material known to exist on Earth.
Scientists discover how the gingko lives to such an old age, surviving for centuries or millennia.
Yusaku Maezawa appeals for a "life partner" to join him on Space X's maiden Moon voyage in 2023.
What would happen if Australia followed the ancient bushfire management practices of Aboriginal people?
Dramatic time-lapse footage shows lightning swirling around the Taal volcano as it spewed ash.
Officials warn that human activity is resulting in rising numbers of elephant deaths.
The 100-year-old tortoise of legendary libido is credited with saving his species from extinction.
Operational weather forecasts have started incorporating novel wind measurements made from orbit.