The mass slaughter of rhinos increases for a sixth consecutive year, despite a drive to fight poachers by various means.

Scientists have discovered the oldest-known fossil of a pine tree, dating back 140 million years to a time when wildfires raged across the land.

US researchers study how snakes move on sand, using aerated tanks, high-speed X-ray cameras - and robots.

Google's DeepMind artificial intelligence project beats a top Go player for the second match in a row.

Prof Stephen Hawking has called for Britain to stay in the EU, saying that a Brexit would be a "disaster for UK science".

An assessment of smallholder farmers' access to seeds says greater engagement from global seed companies would help boost yields and food security.

Carbon dioxide levels in the atmosphere increased more in past 12 months than at any time in the past 56 years.