Nasa's Orbiting Carbon Observatory produces its first global maps of carbon dioxide in Earth's atmosphere.

Shrinking the bubbles generated by ships could counteract the impact of climate change, a study suggests.

Fish are filmed more than 8,000m down in the Mariana Trench - the deepest place on Earth.

Tracking data reveals that golden-winged warblers fled one day before the April 2014 US tornado outbreak, probably because they "heard it coming".

An amateur fossil hunter has unearthed a 7ft skeleton of a carnivorous marine reptile on a beach in south Wales.

Astronauts on the International Space Station use a 3-D printer to make a wrench, from instructions sent up in an email.

A Japanese stem cell scientist at the heart of a scandal over false claims and fabricated research has resigned.

Any moves to modify the concrete Los Angeles River, to return parts of it to a more natural setting or to capture water, must not compromise its flood-protection function, say scientists.