Astronomers have discovered what they say is the most Earth-like planet yet detected.
Way in which egg and sperm recognise and bond with each other discovered, paving way for contraception and fertilisation research.
Kakapo chick from a crushed and mended egg beats the odds to boost endangered population.
Kiwi stargazers treated to stunning phenomenon as Moon turns a coppery hue.
What will be the main motivation for humanity's future space endeavours?Related story: (See story)
The cost of losing nature