Viruses: living or non-living? Viruses are responsible for some of the world’s most dangerous and deadly diseases, including influenza, ebola, rabies, smallpox and COVID-19. Despite their potential to kill, these potent pathogens are in fact considered to be non-living, as alive as the screen that you are reading this article on. How is this possible? … Continue reading Why are viruses considered non-living?
DNA sequencing technology is revealing mysterious gaps in the genomes of many animals.
The following cosmic disasters are just a few ways humanity could be severely endangered or even wiped out.
New research suggest plate tectonics may be a phase in the evolution of planets that has implications for the habitability of exoplanets.
Modelling suggests giant impacts topped up the planet’s atmosphere to keep it warm under a weak sun. Belinda Smith reports.
For the first time, a molecule that can exist left or right-handed has been detected outside our solar system. So why is everyone so excited? Belinda Smith reports.
Where Earth nurtured life, Mars (as far as we know) has not. But a seemingly destructive event some four billion years ago may have given Martian life the boost it needed. Belinda Smith reports.
The Earth's core should have dropped 3,000 ºC, but the Moon's kept it warm for the past four billion years, French scientists claim. Belinda Smith reports.
A type of bacteria with nearly 1,000 genes can live and replicate with less than half – and the exact job of a third of those remaining genes has researchers stumped. Amy Middleton reports.
An ambitious European mission to Mars is designed to gather evidence as to whether life has ever existed there. Bill Condie reports.
Microbes in Chile’s Atacama Desert might hold clues about life on Mars. Viviane Richter reports.
Ancient zircon crystals suggest Earth’s protective magnetic field is much older than previously thought, potentially pushing back the date at which life first emerged. By Belinda Smith.