Bob McDonald's blog

Latest Topical News

  • Surface of TRAPPIST-1f

    Blog Finding life on 7 exoplanets will be a challenge: Bob McDonald

    by Bob McDonald

    New high-powered telescopes will probably have to detect signs of life rather than life itself.

    Posted: Feb 24, 2017 4:21 PM ET
  • Planet 9

    Blog Citizen Science: You could find Planet 9

    by Bob McDonald

    Anyone with an internet connection could join the ranks of Columbus, Magellan and Galileo.

    Posted: Feb 17, 2017 5:04 PM ET
  • Algae on ISS

    It's Alive! Algae Survive 16 Months Exposure To Space

    by Bob McDonald

    Algae was exposed to extreme heat and cold on the outside of the International Space Station and survived.

    Posted: Feb 10, 2017 5:20 PM ET
  • SPACE-APOLLO/ANNIVERSARY

    Blog Hatch that trapped astronauts in deadly fire on display: Bob McDonald

    by Bob McDonald

    The Apollo 1 fire in 1967 was the first accident in the U.S. to involve the loss of a crew. Lessons learned from that tragedy helped the space program get to the moon.

    Posted: Jan 30, 2017 12:02 PM ET
    Last Updated: Jan 31, 2017 9:44 AM ET
  • Trump Protests

    Blog Science 'Trumped' by belief: Bob McDonald

    by Bob McDonald

    Donald Trump has stated clearly that he believes climate change is a hoax and that vaccines cause autism, two topics that have been clearly proven by science to be untrue. Now, he has a team of players that are carrying these beliefs to other levels of government.

    Posted: Jan 20, 2017 3:40 PM ET
  • SPACE-RADIATION/

    Blog Spelunking on Mars: Bob McDonald

    by Bob McDonald

    Exploring the deepest caves on Earth could help us find life in outer space.

    Posted: Jan 13, 2017 5:46 PM ET
  • SPACE

    Blog Preparing for the big strike: Bob McDonald

    by Bob McDonald

    Our living world has been sterilized by encounters with large space rocks that slammed into us. It's time to prepare.

    Posted: Jan 06, 2017 5:43 PM ET
  • SCIENCE-ICEBERG/

    Blog Climate change as seen from space: Bob McDonald

    by Bob McDonald

    NASA's climate science is under threat, but new animation released by the agency illustrates how important it is that research continue.

    Posted: Dec 16, 2016 4:53 PM ET
    Last Updated: Dec 20, 2016 4:31 PM ET
  • Virtual Reality Headset

    Blog Virtual reality a sickening experience

    by Bob McDonald

    A new study shows that women experience more virtual reality-related motion sickness.

    Posted: Dec 09, 2016 4:29 PM ET
  • hi-tokyo-quake-study-852-8col

    Blog A planet's worth of human-made things has been weighed

    by Bob McDonald

    The collected weight of everything human beings have made — from buildings to ballpoint pens — is staggering.

    Posted: Dec 02, 2016 5:22 PM ET
    Last Updated: Dec 05, 2016 12:48 PM ET
  • In the Shadow of Saturn

    Blog Cassini's grand finale: a death dive into Saturn

    by Bob McDonald

    The Cassini mission proves that robotic spacecraft are the true explorers of our solar system.

    Posted: Nov 25, 2016 3:09 PM ET
    Last Updated: Nov 25, 2016 3:30 PM ET
  • New Zealand Economy

    Blog World leaders wade into water to fight climate change

    by Bob McDonald

    Leaders at the United Nations COP 22 Climate Summit move water to the forefront because when the effects of global warming show up, we usually see water behaving in some destructive way.

    Posted: Nov 18, 2016 3:47 PM ET
  • APTOPIX 2016 Election Trump

    Blog Donald Trump needs a science education: Bob McDonald

    by Bob McDonald

    Scientists worry about the impact of Trump's views on everything from climate change to vaccines.

    Posted: Nov 11, 2016 5:00 AM ET
    Last Updated: Nov 11, 2016 10:02 AM ET
  • E.T.

    Blog Alien contact? Don't jump the gun: Bob McDonald

    by Bob McDonald

    According to two Quebec astronomers, unusual signals coming from 234 sun-like stars suggest that alien civilizations could be reaching out. If true, this would have a profound effect on our understanding of our place in the universe. But here's why we can't rush to that conclusion.

    Posted: Oct 28, 2016 5:41 PM ET video
  • Generation Mars - Mars 1976

    Blog Why it's so hard to land on Mars: Bob McDonald

    by Bob McDonald

    Almost 60 per cent of robot missions to Mars have failed for one reason or another. Here's why it's an enormous challenge to land safely on the Red Planet.

    Posted: Oct 21, 2016 5:44 PM ET

Popular

Stay Connected with CBC News

Our planet from space

Don't Miss