'Fettuccine' may be most obvious sign of life on Mars, researchers report bit.ly/2EGr7eP

Early humans deliberately recycled flint to create tiny, sharp tools bit.ly/30TRAyH

Africa's elephant poaching rates in decline, but iconic animal still under threat bit.ly/2EIPpVg

Birds perceive 'warm' colors differently from 'cool' ones bit.ly/2YTqUMP

A rose inspires smart way to collect and purify water bit.ly/2WbyC89

Beyond 1 and 0: Engineers boost potential for creating successor to shrinking transistors bit.ly/2Xf23mk

Earth recycles ocean floor into diamonds bit.ly/2EKz8iV

Early humans used northern migration routes to reach eastern Asia bit.ly/2I8IINn

NIST physicists 'teleport' logic operation between separated ions bit.ly/2JP8AB8

Ancient DNA tells the story of the first herders and farmers in east Africa bit.ly/2JMGy9f

Combination of three gene mutations results in deadly human heart disease bit.ly/2QwRecP

Pain free, thanks to evolution bit.ly/2MgECrL

Transgenic fungus rapidly killed malaria mosquitoes in West African study bit.ly/2wqffZR

New way to protect against high-dose radiation damage discovered bit.ly/30VHeyr

Asia's glaciers provide buffer against drought bit.ly/2YVonSh

Declining fertility rates may explain Neanderthal extinction bit.ly/2MmuGNi

New evidence links ultra-processed foods with a range of health risks bit.ly/2Xj9mcK

Circadian clocks: Body parts respond to day and night independently from brain, studies show bit.ly/2Z0uTXR

Research confirms gut-brain connection in autism bit.ly/2QDdUYP

Subaru Telescope captures 1800 exploding stars bit.ly/2Wcd7Ea