It will take more energy to get the BebiColombo spacecraft inro a stable orbit around Mercury than it would to send it all the way to Pluto.
The five planets visible to the naked eye since ancient times are putting on a dazzling display this month, in a night-sky dance along with the Moon.
All five five planets visible to the naked-eye are on show in the night skies over Australia, and a Blood Moon on the way too.
Pregnant women should be reassured that eating fish is good for their baby and is very unlikely to cause autism.
Study finds that coal pollution in China is leading to people getting significant levels of mercury poisoning from rice.
Red spots suggest Mercury may have formed far away from the sun.
Mercury levels in seabirds living off the coast of British Columbia have been stable in recent years. New research suggests that this may be due to changes in their diet, not pollution control.
For the first time research has shown that mercury released in the northern hemisphere ends up in Australia's tropics.
Australia is the 16th-largest emitter of mercury in the world. A huge amount comes from coal power stations – and a new report argues our pollution guidelines are hopelessly lax.
The planets closer to the Sun are indeed hotter than the Earth is. But they are still not hot enough to melt the rocks they are made from.
Operating the two spacecraft that make up BebpiColombo will be harder than rocket science, says a member of its science team.
Recently revised guidelines on mercury in seafood suggest cutting bait on some fish but making sure you eat other types. Then there are omega-3s to consider. Here are some tips to help you choose.
Australia is lagging behind 35 other nations in ratifying the Minamata Convention on Mercury Pollution.
Recent research explaining why Mercury is so dark raises many new questions.
The discovery of carbon in the form of graphite on the surface of Mercury helps explain the mystery of why the tiny planet is so unusually dark.
Politicians rail against the EPA, but economic analysis shows the health benefits of mercury controls – including both higher IQ and heart health – are worth billions of dollars a year.
Space scientists have a busy decade ahead with plans to visit Jupiter, Mars, Mercury and other interplanetary bodies all on the cards.
Jim Carrey's anti-vaccination tweets employ a number of techniques used by anti-science cranks. By understanding them, we can shield ourselves from well-intentioned but ill-informed voices.
Regulations that do significantly more harm than good are never appropriate, as the court concluded.
The toxic metal is poisoning polar wildlife but it can't all come from the atmosphere. Are polluted Siberian rivers to blame?