How do you find a comet that could pose a threat to Earth but hasn't passed our planet in the last 200 years or more? You ...

Now, an international team of astronomers has located more than 100 of these so-called “decameter” asteroids, named because ...

An estimated one to three species of insects and other native invertebrates are becoming extinct in Australia every week, ...

Scientists say plant extinction is occurring up to 500 times faster than what would be expected naturally. In May, a UN report estimated that one million animal and plant species were threatened ...

Researchers in Australia and the US are embarking on a multi-million dollar project to bring the Tasmanian tiger back from extinction. The last known one, officially called a thylacine ...