Galileo and Einstein were masters of the "thought experiment." But how can these exercises of the imagination tell us anything about the actual, physical world? My feature story for Aeon.
When gravitational wave detectors registered ripples in space-time from a pair of colliding neutron stars, the race was on to see if we could also see it, using optical telescopes. …
Astronomers have sent a radio message to a planetary system just 12 light years away, in case there's anyone there. But "METI" (messaging extra-terrestrial intelligence) has always been controversial, as …
For the first time, astronomers have detected gravitational waves from a pair of merging neutron stars — and they've also seen in optically and via radio waves, gamma rays, and …
With self-driving cars moving ever-closer to becoming a reality, it's only natural to wonder if self-flying planes may be next. As I report in this feature for NBCNews.com, pilotless air …
On August 21, millions of people in North America got to see a total solar eclipse. That same morning, CBC Radio's The Current aired a pre-recordrd essay in which I try …
In this interview for Quanta Magazine, astronomer and eclipse chaser Jay Pasachoff explains that there's serious science to be done during a solar eclipse.
On August 21, anyone viewing from a narrow path from Oregon to South Carolina will be able to witness one of nature's grandest spactacles — a total eclipse of the …