Why lichen may be the perfect factories for making rocket fuel on Mars
Lichens can be revived after being subjected to Mars-like conditions, so they could be used on long space flights to produce hydrogen rocket fuel along the way
Sabre-toothed cats shared their food with injured pride members
Prehistoric sabre-toothed cats often injured their impressive jaws during hunts. Now fossil evidence suggests injured cats could rely on their peers for food
Iran’s imprisoned conservationists need scientists to speak up
Environmental groups are being suppressed by Iran's radical regime , says Madani Kaveh
Two new rogue planets that do not orbit stars have been discovered
Astronmers have found two new planets that don't have stars. They are incredibly difficult to spot, but there may be more of them in the Milky Way than stars
The cause of half of all developmental disorders is a genetic mystery
More than 1 in 200 children have serious developmental disorders but we’ve only been able to find the genetic cause of half of them
Indigenous peoples in the Amazon and Australia share some ancestry
Fifteen ancient human genomes reveal how people first spread through the Americas – and strengthen a mysterious link between people in the Amazon and in Australasia
NASA is advising Yuri Milner on his private mission to Enceladus
Saturn's moon Enceladus might host life, and Russian billionaire Yuri Milner is planning the first private mission to deep space to find out more
Double the risk of death! The problem with headline health statistics
The way in which a statistic is presented can entirely change how alarming it sounds. And too often, both newspapers and scientific journals choose the most alarming, but least informative, way
Ancient tribes of Scotland learned to write after contact with Romans
The Picts lived in what is now Scotland 1700 to 1100 years ago – and new evidence suggests the enigmatic carvings they left behind are Roman-inspired writing
Blood test can spot DNA from eight different types of cancer
A blood test can detect if you have breast, bowel or other cancers by looking for characteristic tumour DNA fragments that have leaked into the circulation