Alexander McNamara

Online Editor, BBC Science Focus

Alexander is the former Online Editor at BBC Science Focus.

Recent articles by Alexander McNamara

Effects of emission cuts on global warming 'may take decades' © Getty Images

Effects of emission cuts on climate change ‘may take decades’

Majority of public believe 'AI should not make any mistakes' © Getty Images

Majority of public believe ‘AI should not make any mistakes’

An artist's impression of the WASP-148 planetary system © Institut d astrophysique de Paris/Dr Mark A Garlick

Giant exoplanets found to orbit star in ‘gravitational dance’

Mars 2020: NASA delays Perseverance rover launch again © NASA/JPL-Caltech

Mars 2020 NASA delays Perseverance rover launch again

© 1977 Colombia Pictures Industries, Inc. All Rights Reserved

10 friendly alien invasion films that will have you welcoming our bug-eyed overlords

Over 40 per cent of COVID-19 cases asymptomatic in Italian town study (A man walks past a huge billboard that shows a woman with as protective mask in the colours of an Italian flag and which reads,

Over 40 per cent of COVID-19 cases asymptomatic in Italian town study

Space balloon to ferry passengers into the stratosphere © Space Perspective

Space balloon to ferry passengers into the stratosphere

An individual of Ankylosaurus magniventris, a large armoured dinosaur species, witnesses the impact of an asteroid, falling on the Yucatán peninsula 66 million years ago. Not even its large size and thick armour sheltered its kind from the violence of this cosmic disaster © Fabio Manucci

Dinosaur extinction Asteroid impact ‘only plausible explanation’

Comet 67P/C-G, known as the “rubber duck” taken by Rosetta’s NavCam © ESA/Rosetta/NAVCAM

Comets and asteroids 5 things you (probably) didn't know

Artist’s impression of the multiplanetary system of newly discovered super-Earths orbiting nearby red dwarf Gliese 887 © Mark Garlick

Exoplanets Two "super Earths" discovered orbiting nearby star

Coronavirus vaccine: where are we now? © Getty Images

Coronavirus vaccines Where are we now?

25-million-year-old mega wombat 'about the size of a black bear' discovered © Peter Schoute/Scientific Reports

25-million-year-old mega wombat ‘about the size of a black bear’ discovered

Some 92 children, most of whom were tested due to close contact with someone with coronavirus, had no symptoms at all © Getty Images

COVID-19 fatalities ‘very rare’ in children

Black holes: Flash of light seen from possible collision (An artist’s impression of a supermassive black hole and its surrounding disc of gas © Robert Hurt/Caltech/PA)

Flash of light seen from possible black hole collision

Coronavirus: simple salt water solution 'could help reduce symptoms' © Getty Images

Coronavirus Simple salt water solution 'could help reduce symptoms'