They have poor eyesight but a great sense of smell while three out of the five species are critically endangered.
Test your knowledge with our World Rhino Day quiz!
The scroll had been destroyed in a huge fire inside the En-Gedi Holy Ark in 600 AD.
Shifts in the Earth's rotation led to wetter climate that influenced population movements out of Africa.
Asian hornets been sighted in Gloucestershire after years of warnings of an invasion from France.
Though the sex has not been verified, keepers think the two newbies are female.
Proteins in mummy tissue suggest familiar diseases may have affected ancient Egyptians.
Space agency to host conference on Monday 26 September to announce new findings from Jupiter's icy moon.
International collaboration is central to the future of human space exploration – that and imagination.
European Space Agency's Space for Innovation conference was held at the Science Museum in London.
Latest Greenpeace research has revealed that almost 200 people have died and 400 injured in 2016 alone.
Scientists have identified a unique protein in tardigrades that could protect humans against DNA damage.
Scientists propose swarm of comets and planetoids is also causing light dips around another undiscovered star.
Lumpini Park is home to about 400 huge monitor lizards.
Scientists do not know which species the strange mammoth found on Santa Rosa Island belonged to.
The missile test comes amid growing tensions with neighbouring Pakistan.
Well-preserved bones include a partial skull, two arms, several ribs and two femurs.
Cultures around the world will mark the changing of the seasons on 22 September.
The Space Studies Institute is to hold a conference in Colorado discussing breakthroughs in space propulsion.
Bones dating as late as 40,000BC found to belong to Neanderthals, suggesting transition period with modern humans.
The smog lasted for several months in 2015, prompting some provinces to declare a state of emergency.
Exploration company claims North West, East Midlands and North Yorkshire could rediscover their energy production heritage via shale.
Army of volunteers transport animals to trucks for trip to deeper waters at another shore.
The Chinese Psittacosaurus could disguise itself from predators.
Human bones from the battle in present-day Belgium were ground down and turned into fertiliser.
The European space probe will be crashed into a comet next week.
The hi-tech energy weapon could shoot down drones and missiles.
The aquifer system is the main source of drinking water for millions of Florida residents.
What creatures fossilised together can tell us about life on Earth millions of years ago.
Aquatic ape theory has persisted for over 50 years, despite evidence showing it does not stack up.