Hundreds of elephants dead in mysterious mass die-off
"It seems extraordinary that the government has not sent the samples to a reputable lab"
NASA is offering up to $20.000 to anyone who can design a better space toilet for astronauts sent to the Moon
"We need a toilet that needs to work for seven days on the surface of the moon, as well as during that transit time to and from the moon"
Vast ocean under Pluto’s surface raises fresh hopes of extraterrestrials, study suggests
The ocean is thought to have existed for around four and a half billion years - older even than the seas on Earth
